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Heterocyclic Compounds

Heterocyclic compounds are a class of compounds that consist of carbon atoms and non-carbon atoms altogether forming a cyclic skeletal structure. These non-carbon atoms are collectively referred to as a heteroatom. The common heteroatoms include nitrogen, oxygen, and sulfur. Lactones, lactams, cyclic ethers that we’ve already learned are heterocyclic compounds. With similar properties of congeneric open-chain compounds, they will be discussed in corresponding chapters. This chapter will mainly discuss heterocyclic compounds with relatively stable ring system and with a certain degree of aromaticity, also known as aromatic heterocyclic compound.

There are many kinds and a large number of heterocyclic compounds widely distributed in nature. Many natural heterocyclic compounds in animals and plants play an important physiological role in the body. For example, heterocyclic structure exists in chlorophyll in plants, hemoglobin in animal blood, alkaloids and glycosides as the active ingredient in herbs, some antibiotics and vitamins, certain composition of amino acids in protein and bases in nucleotide. About half of the existing medicines have heterocyclic structures. Thus, heterocyclic compounds play an important role in organic compounds especially in organic medicines.

The most common and also the most important heterocyclic compounds are that with five-membered or six-membered heterocyclic ring and their fused heterocyclic compounds. Therefore, according to the size of the ring, heterocyclic compounds can be divided into five-membered compounds and six-membered heterocyclic compounds. E.g., furan, thiophene, pyrrole, imidazole, triazole and their fused heterocyclic compounds, indole, benzimidazole and diphenylene-oxide are all five-membered heterocyclic compounds, while pyridine, pyrimidine and their fused heterocyclic compounds, quinoline and quinazoline are all six-membered heterocyclic compounds.

According to the number of hetero atoms, five-membered compounds and six-membered heterocyclic compounds can be divided into one-hetero-atom-containing heterocyclic compounds and two-hetero-atom-containing and several-hetero-atom-containing heterocyclic compounds. E.g., furan, thiophene, pyridine, indole, quinoline, dibenzofuran, etc. are one-hetero-atom-containing heterocyclic compounds; imidazole, pyrimidine, benzimidazole, quinazoline, etc. are two-hetero-atom-containing heterocyclic compounds; purine, comprising more than two hetero atoms, is a several-hetero-atom-containing heterocyclic compound. According to the form of the ring in the molecule, heterocyclic compounds can be divided into single-heterocyclic compounds and fused heterocyclic compounds. E.g., furan, pyridine, pyrimidine, imidazole, etc. are single-heterocyclic compounds and indole, quinoline, dibenzofuran, purines, etc. are fused heterocyclic compounds.

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Structure Chemical Name CAS MF
4-bromo-2-methyl-6-(1H-3-methylpyrozol-1-yl)pyrimidine 4-bromo-2-methyl-6-(1H-3-methylpyrozol-1-yl)pyrimidine 1412961-92-2 C9H9BrN4
4-Bromo-2-methyl-6-(oxan-4-yl)pyridine 4-Bromo-2-methyl-6-(oxan-4-yl)pyridine 1622842-66-3 C11H14BrNO
4-bromo-2-methyl-6-(pyridin-3-yl)pyrimidine 4-bromo-2-methyl-6-(pyridin-3-yl)pyrimidine 1412955-16-8 C10H8BrN3
4-Bromo-3-amino-6-(N-methylpiperazin-1-yl)pyridine 4-Bromo-3-amino-6-(N-methylpiperazin-1-yl)pyridine 1381937-83-2 C10H15BrN4
4-Bromo-3-fluoro-2-(iso-propyl)pyridine 4-Bromo-3-fluoro-2-(iso-propyl)pyridine 1643564-28-6 C8H9BrFN
4-Bromo-3-fluoro-6-(piperidin-3-yl)pyridine 4-Bromo-3-fluoro-6-(piperidin-3-yl)pyridine 1643576-10-6 C10H12BrFN2
4-Bromo-5-(3-pyridyl)thiazole 4-Bromo-5-(3-pyridyl)thiazole 1417519-09-5 C8H5BrN2S
4-Bromo-6-(2-chlorophenyl)-2-(iso-propyl)pyrimidine 4-Bromo-6-(2-chlorophenyl)-2-(iso-propyl)pyrimidine 1412960-64-5 C13H12BrClN2
4-Bromo-6-(3-chlorophenyl)-2-(iso-propyl)pyrimidine 4-Bromo-6-(3-chlorophenyl)-2-(iso-propyl)pyrimidine 1412958-10-1 C13H12BrClN2
4-Bromo-6-(tert-butyl)pyridine-2-boronic acid pinacol ester 4-Bromo-6-(tert-butyl)pyridine-2-boronic acid pinacol ester 1402233-52-6 C15H23BBrNO2
4-bromo-6-cyclopentyl-2-(propan-2-yl)pyrimidine 4-bromo-6-cyclopentyl-2-(propan-2-yl)pyrimidine 1412960-28-1 C12H17BrN2
4-Chloro-2-(2-furyl)pyrimidine 4-Chloro-2-(2-furyl)pyrimidine 27130-92-3 C8H5ClN2O
4-chloro-2-(iso-propyl)-6-(2-furyl)pyrimidine 4-chloro-2-(iso-propyl)-6-(2-furyl)pyrimidine 1412960-35-0 C11H11ClN2O
4-chloro-2-(iso-propyl)-6-(3-furyl)pyrimidine 4-chloro-2-(iso-propyl)-6-(3-furyl)pyrimidine 1412955-03-3 C11H11ClN2O
4-Chloro-2-(oxan-3-yl)pyrimidine-5-boronic acid pinacol ester 4-Chloro-2-(oxan-3-yl)pyrimidine-5-boronic acid pinacol ester 2223004-13-3 C15H22BClN2O3
4-Chloro-2-cyclopropyl-6-(1H-pyrazol-1-yl)pyrimidine 4-Chloro-2-cyclopropyl-6-(1H-pyrazol-1-yl)pyrimidine 1412959-54-6 C10H9ClN4
4-Chloro-2-cyclopropyl-6-(4-methylimidazol-1-yl)pyrimidine 4-Chloro-2-cyclopropyl-6-(4-methylimidazol-1-yl)pyrimidine 1412961-10-4 C11H11ClN4
4-chloro-2-cyclopropyl-6-(iso-propyl)pyrimidine 4-chloro-2-cyclopropyl-6-(iso-propyl)pyrimidine 1153413-03-6 C10H13ClN2
4-Chloro-2-methyl-6-(1H-pyridin-2-one)pyrimidine 4-Chloro-2-methyl-6-(1H-pyridin-2-one)pyrimidine 1412954-45-0 C10H8ClN3O
4-chloro-5-methyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 4-chloro-5-methyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2223042-64-4 C12H17BClNO2
4-chloro-6-(4-tetrahydropyranyl)-2-methylpyrimidine 4-chloro-6-(4-tetrahydropyranyl)-2-methylpyrimidine 1412953-33-3 C10H13ClN2O
4-Chloro-6-bromo-2-cyclopropylpyrimidine 4-Chloro-6-bromo-2-cyclopropylpyrimidine 1353854-62-2 C7H6BrClN2
4-Fluoro-2-(2-bromophenyl)pyridine 4-Fluoro-2-(2-bromophenyl)pyridine 1563530-16-4 C11H7BrFN
4-Fluoro-2-(3-chlorophenyl)pyridine 4-Fluoro-2-(3-chlorophenyl)pyridine 1563528-63-1 C11H7ClFN
4-Fluoro-2-(4-trifluoromethylphenyl)pyridine 4-Fluoro-2-(4-trifluoromethylphenyl)pyridine 1261742-10-2 C12H7F4N
4-Fluoro-2-(diethylamino)pyridine-5-boronic acid pinacol ester 4-Fluoro-2-(diethylamino)pyridine-5-boronic acid pinacol ester 2223048-57-3 C15H24BFN2O2
4-Fluoro-2-(piperidin-1-yl)pyridine-5-boronic acid pinacol ester 4-Fluoro-2-(piperidin-1-yl)pyridine-5-boronic acid pinacol ester 2223048-03-9 C16H24BFN2O2
4-Fluoro-2-(tert-butyl)pyridine 4-Fluoro-2-(tert-butyl)pyridine 1563531-63-4 C9H12FN
4-Fluoro-2-(thiazol-2-yl)pyridine-5-boronic acid pinacol ester 4-Fluoro-2-(thiazol-2-yl)pyridine-5-boronic acid pinacol ester 2223035-54-7 C14H16BFN2O2S
4-fluoro-2-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 4-fluoro-2-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2223047-96-7 C12H17BFNO2
4-Hydroxy-2-(iso-propyl)-6-(1H-4-methylpyrozol-1-yl)pyrimidine 4-Hydroxy-2-(iso-propyl)-6-(1H-4-methylpyrozol-1-yl)pyrimidine 1412959-15-9 C11H14N4O
4-Hydroxy-2-(iso-propyl)-6-(piperidin-1-yl)-pyrimidine 4-Hydroxy-2-(iso-propyl)-6-(piperidin-1-yl)-pyrimidine 1412960-84-9 C12H19N3O
4-hydroxy-2-methyl-6-(2-thienyl)pyrimidine 4-hydroxy-2-methyl-6-(2-thienyl)pyrimidine 1412957-90-4 C9H8N2OS
4-hydroxy-2-methyl-6-(piperidin-1-yl)pyrimidine 4-hydroxy-2-methyl-6-(piperidin-1-yl)pyrimidine 874495-86-0 C10H15N3O
4-Methyl-5-(n-propyl)pyridine-3-boronic acid pinacol ester 4-Methyl-5-(n-propyl)pyridine-3-boronic acid pinacol ester 2223044-31-1 C15H24BNO2
4-Methyl-6-ethylpyridine-3-boronic acid pinacol ester 4-Methyl-6-ethylpyridine-3-boronic acid pinacol ester 2223051-52-1 C14H22BNO2
5-(2-Chloro-4-pyridyl)pyridine-2-boronic acid pinacol ester 5-(2-Chloro-4-pyridyl)pyridine-2-boronic acid pinacol ester 1402227-49-9 C16H18BClN2O2
5-(2-Methyl-4-fluorophenyl)pyridine-3-boronic acid pinacol ester 5-(2-Methyl-4-fluorophenyl)pyridine-3-boronic acid pinacol ester 1402227-29-5 C18H21BFNO2
5-(2-Tolyl)pyridine-3-boronic acid pinacol ester 5-(2-Tolyl)pyridine-3-boronic acid pinacol ester 1402172-17-1 C18H22BNO2
5-(3,5-Difluorophenyl)pyridine-2-boronic acid pinacol ester 5-(3,5-Difluorophenyl)pyridine-2-boronic acid pinacol ester 2223027-42-5 C17H18BF2NO2
5-(3-Fluorophenyl)pyridine-3-boronic acid pinacol ester 5-(3-Fluorophenyl)pyridine-3-boronic acid pinacol ester 1402172-86-4 C17H19BFNO2
5-(3-Furyl)pyridine-3-boronic acid pinacol ester 5-(3-Furyl)pyridine-3-boronic acid pinacol ester 2223050-46-0 C15H18BNO3
5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(m-tolyl)thiazole 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(m-tolyl)thiazole 1402173-91-4 C16H20BNO2S
5-(4-Bromopyridin-2-yl)furan-2-boronic acid pinacol ester 5-(4-Bromopyridin-2-yl)furan-2-boronic acid pinacol ester 2223051-68-9 C15H17BBrNO3
5-(5-Pyrimidyl)thiazole-4-boronic acid pinacol ester 5-(5-Pyrimidyl)thiazole-4-boronic acid pinacol ester 2223039-32-3 C13H16BN3O2S
5-(iso-Propyl-2-cyanopyridine-4-boronic acid pinacol ester 5-(iso-Propyl-2-cyanopyridine-4-boronic acid pinacol ester 2223045-30-3 C15H21BN2O2
5-(sec-Butyl)-6-methoxypyridine-3-boronic acid pinacol ester 5-(sec-Butyl)-6-methoxypyridine-3-boronic acid pinacol ester 2223003-07-2 C16H26BNO3
5-(Thiazol-5-yl)pyridine-3-boronic acid pinacol ester 5-(Thiazol-5-yl)pyridine-3-boronic acid pinacol ester 2223035-87-6 C14H17BN2O2S
5-Amino-2-(cyclohexyl)pyrimidine 5-Amino-2-(cyclohexyl)pyrimidine 1094246-41-9 C10H15N3
5-Bromo-2-(1H-pyridin-2-one)pyrimidine 5-Bromo-2-(1H-pyridin-2-one)pyrimidine 1240622-48-3 C9H6BrN3O
5-Bromo-2-(2-cyanophenyl)pyrimidine 5-Bromo-2-(2-cyanophenyl)pyrimidine 1563528-67-5 C11H6BrN3
5-Bromo-2-(3-tetrahydropyranyl)pyrimidine 5-Bromo-2-(3-tetrahydropyranyl)pyrimidine 1357580-52-9 C9H11BrN2O
5-Bromo-2-(N-Boc-pyrrolidin-3-yl)thiazole 5-Bromo-2-(N-Boc-pyrrolidin-3-yl)thiazole 1622834-39-2 C12H17BrN2O2S
5-BROMO-2-(PROPAN-2-YL)PYRIDIN-4-AMINE 5-BROMO-2-(PROPAN-2-YL)PYRIDIN-4-AMINE 1381937-47-8 C8H11BrN2
5-Bromo-2-amino-4-(2-hydroxypiperidin-1-yl)pyridine 5-Bromo-2-amino-4-(2-hydroxypiperidin-1-yl)pyridine 1381936-13-5 C10H14BrN3O
5-Bromo-2-amino-4-(3-pyridyl)pyridine 5-Bromo-2-amino-4-(3-pyridyl)pyridine 1381936-68-0 C10H8BrN3
5-BROMO-3-(sec-BUTYL)-2-(TRIFLUOROMETHYL)PYRIDINE 5-BROMO-3-(sec-BUTYL)-2-(TRIFLUOROMETHYL)PYRIDINE 1622835-28-2 C10H11BrF3N
5-Bromo-4-(n-butyl)thiazole 5-Bromo-4-(n-butyl)thiazole 1243839-22-6 C7H10BrNS
5-Bromo-4-(pyrrolidino)pyridine-2-boronic acid pinacol ester 5-Bromo-4-(pyrrolidino)pyridine-2-boronic acid pinacol ester 2223049-64-5 C15H22BBrN2O2
5-Bromo-6-(3-chlorophenyl)pyridine-3-boronic acid pinacol ester 5-Bromo-6-(3-chlorophenyl)pyridine-3-boronic acid pinacol ester 2223045-76-7 C17H18BBrClNO2
5-Bromo-6-(4-methoxyphenyl)pyridine-3-boronic acid pinacol ester 5-Bromo-6-(4-methoxyphenyl)pyridine-3-boronic acid pinacol ester 2223036-49-3 C18H21BBrNO3
5-Bromo-6-(piperidin-1-yl)pyridine-3-boronic acid pinacol ester 5-Bromo-6-(piperidin-1-yl)pyridine-3-boronic acid pinacol ester 2223029-32-9 C16H24BBrN2O2
5-Cyclopropyl-2-cyanopyridine-4-boronic acid pinacol ester 5-Cyclopropyl-2-cyanopyridine-4-boronic acid pinacol ester 2223048-49-3 C15H19BN2O2
5-Fluoro-2-(3-methyl-1H-pyrazol-1-yl)pyridine-4-boronic acid pinacol ester 5-Fluoro-2-(3-methyl-1H-pyrazol-1-yl)pyridine-4-boronic acid pinacol ester 2223012-25-5 C15H19BFN3O2
5-fluoro-2-(tetrahydro-2H-pyran-3-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 5-fluoro-2-(tetrahydro-2H-pyran-3-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2222996-71-4 C16H23BFNO3
5-Fluoro-2-(thiazol-5-yl)pyridine-4-boronic acid pinacol ester 5-Fluoro-2-(thiazol-5-yl)pyridine-4-boronic acid pinacol ester 2223043-07-8 C14H16BFN2O2S
5-Hydroxy-2-(3-pyridyl)pyrimidine 5-Hydroxy-2-(3-pyridyl)pyrimidine 1260833-47-3 C9H7N3O
5-Hydroxy-2-(4-pyridyl)pyrimidine 5-Hydroxy-2-(4-pyridyl)pyrimidine 1260803-15-3 C9H7N3O
5-Methyl-2-(cyclohexyl)pyridine-4-boronic acid pinacol ester 5-Methyl-2-(cyclohexyl)pyridine-4-boronic acid pinacol ester 2223051-49-6 C18H28BNO2
5-Methyl-2-(tert-butyl)pyridine-4-boronic acid pinacol ester 5-Methyl-2-(tert-butyl)pyridine-4-boronic acid pinacol ester 2223044-82-2 C16H26BNO2
5-Methyl-6-(iso-butyl)pyridine-3-boronic acid pinacol ester 5-Methyl-6-(iso-butyl)pyridine-3-boronic acid pinacol ester 2223048-54-0 C16H26BNO2
6-(4-Fluoro-2-methylphenyl)pyridine-2-boronic acid pinacol ester 6-(4-Fluoro-2-methylphenyl)pyridine-2-boronic acid pinacol ester 1402227-30-8 C18H21BFNO2
6-(Pivaloyloxymethyl)pyridine-2-boronic acid pinacol ester 6-(Pivaloyloxymethyl)pyridine-2-boronic acid pinacol ester 2223037-80-5 C17H26BNO4
6-Chloro-5-(2-trifluoromethylphenyl)pyridine-3-boronic acid pinacol ester 6-Chloro-5-(2-trifluoromethylphenyl)pyridine-3-boronic acid pinacol ester 2223052-25-1 C18H18BClF3NO2
6-Chloro-5-(3-methyl-1H-pyrazol-1-yl)pyridine-3-boronic acid pinacol ester 6-Chloro-5-(3-methyl-1H-pyrazol-1-yl)pyridine-3-boronic acid pinacol ester 2223046-61-3 C15H19BClN3O2
6-Chloro-5-(morpholino)pyridine-3-boronic acid pinacol ester 6-Chloro-5-(morpholino)pyridine-3-boronic acid pinacol ester 2223030-10-0 C15H22BClN2O3
6-Chloro-5-(tetrahydrofuran-3-yloxy)pyridine-3-boronic acid pinacol ester 6-Chloro-5-(tetrahydrofuran-3-yloxy)pyridine-3-boronic acid pinacol ester 2223004-31-5 C15H21BClNO4
6-cyclopentyl-4-hydroxy-2-(propan-2-yl)pyrimidine 6-cyclopentyl-4-hydroxy-2-(propan-2-yl)pyrimidine 1412958-94-1 C12H18N2O
6-Ethyl-5-trifluoromethylpyridine-3-boronic acid pinacol ester 6-Ethyl-5-trifluoromethylpyridine-3-boronic acid pinacol ester 2223039-39-0 C14H19BF3NO2
N,N-bis(ethyl-d5)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-4-amine N,N-bis(ethyl-d5)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-4-amine 2241874-92-8 C15H25BN2O2
N-Boc-2-(4-Bromo-3-pyridinyl)morpholine N-Boc-2-(4-Bromo-3-pyridinyl)morpholine 1622835-91-9 C14H19BrN2O3
tert-butyl 2-(2-aminopyridin-4-yl)morpholine-4-carboxylate tert-butyl 2-(2-aminopyridin-4-yl)morpholine-4-carboxylate 1622834-29-0 C14H21N3O3
tert-butyl 2-(5-aminopyridin-3-yl)morpholine-4-carboxylate tert-butyl 2-(5-aminopyridin-3-yl)morpholine-4-carboxylate 1622834-88-1 C14H21N3O3
tert-butyl 2-(6-aminopyridin-3-yl)morpholine-4-carboxylate tert-butyl 2-(6-aminopyridin-3-yl)morpholine-4-carboxylate 1400997-33-2 C14H21N3O3
tert-butyl 3-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)furan-3-yl)pyrrolidine-1-carboxylate tert-butyl 3-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)furan-3-yl)pyrrolidine-1-carboxylate 2222995-76-6 C19H30BNO5
tert-butyl 3-(5-aminopyridin-2-yl)pyrrolidine-1-carboxylate tert-butyl 3-(5-aminopyridin-2-yl)pyrrolidine-1-carboxylate 1402672-53-0 C14H21N3O2
tert-butyl 3-(6-cyclopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)pyrrolidine-1-carboxylate tert-butyl 3-(6-cyclopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)pyrrolidine-1-carboxylate 2222995-79-9 C23H35BN2O4
tert-butyl 3-(6-isopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)piperidine-1-carboxylate tert-butyl 3-(6-isopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)piperidine-1-carboxylate 2223004-14-4 C24H39BN2O4
(2-((methoxy-d3)carbonyl)pyridin-4-yl-3,5,6-d3)boronic acid (2-((methoxy-d3)carbonyl)pyridin-4-yl-3,5,6-d3)boronic acid 2241870-39-1 C7H8BNO4
(2-(propan-2-yl-d7)pyridin-4-yl-3,5,6-d3)boronic acid (2-(propan-2-yl-d7)pyridin-4-yl-3,5,6-d3)boronic acid 2241875-71-6 C8H2BD10NO2
(pyrimidin-5-yl-d3)boronic acid (pyrimidin-5-yl-d3)boronic acid 2241865-83-6 C4H5BN2O2
1-(2-AMINOPYRIDIN-3-YL)PYRROLIDIN-3-OL 1-(2-AMINOPYRIDIN-3-YL)PYRROLIDIN-3-OL 1563534-54-2 C9H13N3O
1-(2-Bromo-4-pyridyl)-4-bromoimidazole 1-(2-Bromo-4-pyridyl)-4-bromoimidazole 1353854-41-7 C8H5Br2N3
1-(2-BROMOPYRIDIN-4-YL)PIPERIDIN-2-OL 1-(2-BROMOPYRIDIN-4-YL)PIPERIDIN-2-OL 1563534-46-2 C10H13BrN2O
1-(4-bromo-2-cyclopropylphenyl)pyrrolidine 1-(4-bromo-2-cyclopropylphenyl)pyrrolidine 2222938-04-5 C13H16BrN
1-(5-Chloro-2-pyrimidyl)-4-bromoimidazole 1-(5-Chloro-2-pyrimidyl)-4-bromoimidazole 1353856-42-4 C7H4BrClN4
1-(Cyclopropyl)-1H-pyrrol-3-amine 1-(Cyclopropyl)-1H-pyrrol-3-amine 1622839-84-2 C7H10N2
1-(methyl-d3)-4-(2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-4-yl-3,5,6-d3)piperazine-2,2,3,3,5,5,6,6-d8 1-(methyl-d3)-4-(2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-4-yl-3,5,6-d3)piperazine-2,2,3,3,5,5,6,6-d8 2241874-81-5 C16H12BD14N3O2
2-(1H-imidazol-1-yl-d3)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,5,6-d3 2-(1H-imidazol-1-yl-d3)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,5,6-d3 2256709-81-4 C14H12BD6N3O2
2-(1H-imidazol-1-yl-d3)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2-(1H-imidazol-1-yl-d3)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2256709-72-3 C14H18BN3O2
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