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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
2-ISOPROPYL-4(5)-NITROIMIDAZOLE 2-ISOPROPYL-4(5)-NITROIMIDAZOLE 13373-32-5 C6H9N3O2
2-BROMO-4-(1H-IMIDAZOL-2-YL)-PYRIDINE 2-BROMO-4-(1H-IMIDAZOL-2-YL)-PYRIDINE 1379344-77-0 C8H6BrN3
2-BROMO-4-(4-METHOXY-PHENYL)-THIAZOLE 2-BROMO-4-(4-METHOXY-PHENYL)-THIAZOLE 99073-84-4 C10H8BrNOS
(2R,4S)-1-((S)-2-amino-3,3-dimethylbutanoyl)-4-hydroxy-N-((S)-1-(4-(4-methylthiazol-5-yl)phenyl)ethyl)pyrrolidine-2-carboxamide hydrochloride (2R,4S)-1-((S)-2-amino-3,3-dimethylbutanoyl)-4-hydroxy-N-((S)-1-(4-(4-methylthiazol-5-yl)phenyl)ethyl)pyrrolidine-2-carboxamide hydrochloride
2H-IMIDAZO[4,5-B]PYRAZIN-2-ONE, 1,3-DIHYDRO- 2H-IMIDAZO[4,5-B]PYRAZIN-2-ONE, 1,3-DIHYDRO- 16328-63-5 C5H4N4O
4-Pyridinol, 5-fluoro-2-methyl- 4-Pyridinol, 5-fluoro-2-methyl- 1256819-26-7 C6H6FNO
5-Thiazolamine, 4-(3-thienyl)- 5-Thiazolamine, 4-(3-thienyl)- 1374664-28-4 C7H6N2S2
6-METHYL-2-(PIPERIDIN-4-YL)-1H-BENZO[D]IMIDAZOLE 6-METHYL-2-(PIPERIDIN-4-YL)-1H-BENZO[D]IMIDAZOLE 295790-48-6 C13H17N3
4H-1,4-Oxazine-4-carboxylic acid, 2,3-dihydro-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-, 1,1-dimethylethyl ester 4H-1,4-Oxazine-4-carboxylic acid, 2,3-dihydro-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-, 1,1-dimethylethyl ester 2223055-83-0 C15H26BNO5
4-Pyridinamine, 2-(3-oxetanyloxy)- 4-Pyridinamine, 2-(3-oxetanyloxy)- 1599241-56-1 C8H10N2O2
1,6-Diazabicyclo[3.2.1]octane-2-carboxylic acid, 7-oxo-6-(sulfooxy)-, 2-[2-[(3S)-3-pyrrolidinylcarbonyl]hydrazide], (1R,2S,5R)- 1,6-Diazabicyclo[3.2.1]octane-2-carboxylic acid, 7-oxo-6-(sulfooxy)-, 2-[2-[(3S)-3-pyrrolidinylcarbonyl]hydrazide], (1R,2S,5R)- 1452460-79-5 C12H19N5O7S
1-METHYL-1H-BENZOIMIDAZOL-5-YLAMINE TRIHYDROCHLORIDE 1-METHYL-1H-BENZOIMIDAZOL-5-YLAMINE TRIHYDROCHLORIDE 10394-38-4 C8H9N3
2,4(1H,3H)-Pyrimidinedione, 1-cyclopentyl- 2,4(1H,3H)-Pyrimidinedione, 1-cyclopentyl- 13345-72-7 C9H12N2O2
1H-1,2,3-Triazole, 5-methoxy-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 1H-1,2,3-Triazole, 5-methoxy-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 2364586-13-8 C9H16BN3O3
Thiazole, 4-bromo-5-methoxy- Thiazole, 4-bromo-5-methoxy- 1374665-82-3 C4H4BrNOS
Pyridine, 2-(difluoromethyl)-5-fluoro- Pyridine, 2-(difluoromethyl)-5-fluoro- 1783752-56-6 C6H4F3N
1H-Pyrazole, 1-(4-chlorophenyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 1H-Pyrazole, 1-(4-chlorophenyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 1402174-37-1 C15H18BClN2O2
Pyridine, 2-cyclopentyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- Pyridine, 2-cyclopentyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 2223043-34-1 C16H24BNO2
penflutizide penflutizide 1766-91-2 C13H18F3N3O4S2
5-methyl-1H-4-carboxylic acid 5-methyl-1H-4-carboxylic acid 1457-59-6 C5H6N2O2
3-(1-pyrrolidinyl)propiophenone hydrochloride 3-(1-pyrrolidinyl)propiophenone hydrochloride 833-86-3 C13H17NO.ClH
1-bromo-3-(trifluoromethyl)-5H,6H,7H,8H-imidazo[1,5-a]pyrazine hydrochloride 1-bromo-3-(trifluoromethyl)-5H,6H,7H,8H-imidazo[1,5-a]pyrazine hydrochloride 2138351-97-8 C7H8BrClF3N3
4,5-dihydro-2-(2-methoxyphenyl)-1-[2-(2-methoxyphenyl)-4,5-diphenyl-2H-imidazol-2-yl]-1H-imidazole 4,5-dihydro-2-(2-methoxyphenyl)-1-[2-(2-methoxyphenyl)-4,5-diphenyl-2H-imidazol-2-yl]-1H-imidazole 7292-18-4 C32H28N4O2
1-(methoxymethyl)-1H-imidazole 1-(methoxymethyl)-1H-imidazole 20075-26-7 C5H8N2O
1-(tert-butyl)pyrrolidin-2-one 1-(tert-butyl)pyrrolidin-2-one 20687-53-0 C8H15NO
N-acetylsulphanilic acid N-acetylsulphanilic acid 121-62-0 C8H9NO4S
3-bromo-5-(2,3-difluorophenyl)pyridine 3-bromo-5-(2,3-difluorophenyl)pyridine 1070882-70-0
1-methyl-5-thioxopyrrolidin-2-one 1-methyl-5-thioxopyrrolidin-2-one 2043-24-5 C5H7NOS
Pyridine, 2,4-difluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- Pyridine, 2,4-difluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 1412905-36-2 C11H14BF2NO2
Pyridine, 4-(4-piperidinyl)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- Pyridine, 4-(4-piperidinyl)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 1402166-07-7 C16H25BN2O2
1-(4-BROMO-6-IODOPYRIDIN-2-YL)ETHANONE 1-(4-BROMO-6-IODOPYRIDIN-2-YL)ETHANONE 1393544-68-7 C7H5BrINO
1-Azetidinecarboxylic acid, 3-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3-pyridinyl]-, 1,1-dimethylethyl ester 1-Azetidinecarboxylic acid, 3-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3-pyridinyl]-, 1,1-dimethylethyl ester 2223049-22-5 C19H29BN2O4
4,5-Dibromo-6-methoxypyrimidine 4,5-Dibromo-6-methoxypyrimidine 503425-88-5 C5H4Br2N2O
1-(3-METHYLPHENYL)-2-OXO-3-PYRROLIDINEC& 1-(3-METHYLPHENYL)-2-OXO-3-PYRROLIDINEC& 618070-31-8 C12H13NO3
4H-1,4-Oxazine-4-carboxylic acid, 2,3-dihydro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-, 1,1-dimethylethyl ester 4H-1,4-Oxazine-4-carboxylic acid, 2,3-dihydro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-, 1,1-dimethylethyl ester 2648330-91-8 C15H26BNO5
(S)-4-bromo-1-(pyrrolidin-3-yl)-1H-pyrazole hydrochloride (S)-4-bromo-1-(pyrrolidin-3-yl)-1H-pyrazole hydrochloride 2828444-32-0 C7H11BrClN3
4H-1,2,4-Triazole, 3-bromo-4-[4-(trifluoromethyl)phenyl]- 4H-1,2,4-Triazole, 3-bromo-4-[4-(trifluoromethyl)phenyl]- 2460493-58-5 C9H5BrF3N3
2-Pyridinecarboximidic acid, 2-methylhydrazide 2-Pyridinecarboximidic acid, 2-methylhydrazide 28819-35-4 C7H10N4
tert-butyl 4-(5-bromopyridin-2-yl)piperidine-1-carboxylate-2,2,3,3,4,5,5,6,6-d9 tert-butyl 4-(5-bromopyridin-2-yl)piperidine-1-carboxylate-2,2,3,3,4,5,5,6,6-d9 2697163-09-8 C15H12BrD9N2O2
Thiophene, 2-bromo-5-cyclohexyl- Thiophene, 2-bromo-5-cyclohexyl- 144121-35-7 C10H13BrS
1,10-Phenanthroline, 2-(1-methylpropyl)- 1,10-Phenanthroline, 2-(1-methylpropyl)- 252054-19-6 C16H16N2
4H-1,2,4-Triazole, 3-bromo-5-methyl-4-propyl- 4H-1,2,4-Triazole, 3-bromo-5-methyl-4-propyl- 2460494-32-8 C6H10BrN3
(R)-4-iodo-1-(pyrrolidin-3-yl)-1H-pyrazole (R)-4-iodo-1-(pyrrolidin-3-yl)-1H-pyrazole
2-(6-bromopyridin-2-yl)propan-1,1,1,3,3,3-d6-2-ol 2-(6-bromopyridin-2-yl)propan-1,1,1,3,3,3-d6-2-ol 2363788-01-4 C8H4BrD6NO
1H-1,2,3-Triazole, 5-[3-(trifluoromethyl)phenyl]- 1H-1,2,3-Triazole, 5-[3-(trifluoromethyl)phenyl]- 369363-63-3 C9H6F3N3
2-cyclobutyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxabor
olan-2-yl)-2H-1,2,3-triazole 2-cyclobutyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxabor olan-2-yl)-2H-1,2,3-triazole 2710298-56-7 C12H20BN3O2
Pyrrolo[1,2-c]pyrimidine-3-carboxylic acid (9CI) Pyrrolo[1,2-c]pyrimidine-3-carboxylic acid (9CI) 251102-27-9 C8H6N2O2
Pyrrolidine, 2-(2-fluorophenyl)-4-methyl- (9CI) Pyrrolidine, 2-(2-fluorophenyl)-4-methyl- (9CI) 603068-40-2 C11H14FN
1H-Imidazole-1-propanoic acid, α-cyclopropyl-α-(methylamino)- 1H-Imidazole-1-propanoic acid, α-cyclopropyl-α-(methylamino)- 1338993-61-5 C10H15N3O2
1-Pyrrolidinecarboxylic acid, 3-(difluoromethyl)-4-hydroxy-, 1,1-dimethylethyl ester, (3R,4S)-rel- 1-Pyrrolidinecarboxylic acid, 3-(difluoromethyl)-4-hydroxy-, 1,1-dimethylethyl ester, (3R,4S)-rel- 2368911-11-7 C10H17F2NO3
2-Pyrrolidinemethanol, 1-methyl-4-(trifluoromethyl)-, (2S,4R)- 2-Pyrrolidinemethanol, 1-methyl-4-(trifluoromethyl)-, (2S,4R)- 2621932-86-1 C7H12F3NO
Methyl-6-chloro-5-nitronicotinate Methyl-6-chloro-5-nitronicotinate 59237-53-5 C7H5ClN2O4
2(1H)-Pyrimidinone, 5-propyl- (9CI) 2(1H)-Pyrimidinone, 5-propyl- (9CI) 64171-57-9 C7H10N2O
2(1H)-Quinazolinone (6CI,8CI,9CI) 2(1H)-Quinazolinone (6CI,8CI,9CI) 7471-58-1 C8H6N2O
5-Chlorooxindole 5-Chlorooxindole 17630-75-0 C8H6ClNO
1-(3-BROMOBENZYL)PYRROLIDINE 1-(3-BROMOBENZYL)PYRROLIDINE 168820-15-3 C11H14BrN
URIDINE-2',3'-CYCLIC MONOPHOSPHATE SODIUM SALT URIDINE-2',3'-CYCLIC MONOPHOSPHATE SODIUM SALT 15718-50-0 C9H10N2NaO8P
2-Methylindole 2-Methylindole 95-20-5 C9H9N
TERT-BUTYL 2,4-DICHLORO-5H-PYRROLO[3,4-D]PYRIMIDINE-6(7H)-CARBOXYLATE TERT-BUTYL 2,4-DICHLORO-5H-PYRROLO[3,4-D]PYRIMIDINE-6(7H)-CARBOXYLATE 903129-71-5 C11H13Cl2N3O2
tert-butyl (S)-4-(7-chloro-6-fluoro-1-(2-isopropyl-4-methylpyridin-3-yl)-2-oxo-1,2-dihydropyrido[2,3-d]pyrimidin-4-yl)-3-methylpiperazine-1-carboxylate tert-butyl (S)-4-(7-chloro-6-fluoro-1-(2-isopropyl-4-methylpyridin-3-yl)-2-oxo-1,2-dihydropyrido[2,3-d]pyrimidin-4-yl)-3-methylpiperazine-1-carboxylate 2252403-84-0 C26H32ClFN6O3
2-(2-METHOXY-PHENYL)-PYRIDIN-3-YLAMINE 2-(2-METHOXY-PHENYL)-PYRIDIN-3-YLAMINE 886508-09-4 C12H12N2O
4-(morpholin-4-yl-phenoxy-phosphoryl)morpholine 4-(morpholin-4-yl-phenoxy-phosphoryl)morpholine 4881-17-8 C14H21N2O4P
2-Mercaptobenzoxazole 2-Mercaptobenzoxazole 2382-96-9 C7H5NOS
2-(METHYLTHIO)-2-IMIDAZOLINE 2-(METHYLTHIO)-2-IMIDAZOLINE 20112-79-2 C4H8N2S
3,4-Epoxytetrahydrofuran 3,4-Epoxytetrahydrofuran 285-69-8 C4H6O2
7-METHYL-IMIDAZO[1,2-A]PYRIDINE-2-CARBOXYLIC ACID 7-METHYL-IMIDAZO[1,2-A]PYRIDINE-2-CARBOXYLIC ACID 80353-94-2 C9H8N2O2
2,4-DICHLORO-5-FLUOROQUINAZOLINE 2,4-DICHLORO-5-FLUOROQUINAZOLINE 87611-00-5 C8H3Cl2FN2
6,8-Dibromo-2-trifluoromethylimidazo[1,2-a]pyrazine 6,8-Dibromo-2-trifluoromethylimidazo[1,2-a]pyrazine 1208082-24-9 C7H2Br2F3N3
5-(Trifluoromethyl)imidazo[1,2-a]pyridine-2-carboxylic acid 5-(Trifluoromethyl)imidazo[1,2-a]pyridine-2-carboxylic acid 1260798-62-6 C9H5F3N2O2
BOC-4-HYDROXY-L-PYRROLIDINE LACTONE BOC-4-HYDROXY-L-PYRROLIDINE LACTONE 113775-22-7 C10H15NO4
4-(1-BUTENYL PENTENYL) PYRIDINE 4-(1-BUTENYL PENTENYL) PYRIDINE 2057-34-3 C14H19N
2-Aminobenzothiazole-6-carboxylic acid 2-Aminobenzothiazole-6-carboxylic acid 93-85-6 C8H6N2O2S
(S,R,S)-AHPC-PEG2-acid (S,R,S)-AHPC-PEG2-acid 2172820-09-4 C30H42N4O8S
Pyrimidine, 2-bromo-4-(6-chloro-2-pyridinyl)- Pyrimidine, 2-bromo-4-(6-chloro-2-pyridinyl)- 1185306-16-4 C9H5BrClN3
[2,2'-Bipyridin]-3-amine, 6'-bromo- [2,2'-Bipyridin]-3-amine, 6'-bromo- 1185307-89-4 C10H8BrN3
4H-1,2,4-Triazole, 3-bromo-4-(1-methylethyl)- 4H-1,2,4-Triazole, 3-bromo-4-(1-methylethyl)- 2460491-40-9 C5H8BrN3
ethyl 7-[(2R)-2-(hydroxymethyl)-5-oxo-1-pyrrolidinyl]heptanoate ethyl 7-[(2R)-2-(hydroxymethyl)-5-oxo-1-pyrrolidinyl]heptanoate 346672-97-7 C14H25NO4
Phenanthro[4,5-bcd]furan, 8-bromo- (9CI) Phenanthro[4,5-bcd]furan, 8-bromo- (9CI) 65612-98-8 C14H7BrO
Urea, N-[(3S,4R)-4-(3-fluorophenyl)-1-(2-methoxyethyl)-3-pyrrolidinyl]-N'-[4-methyl-3-(2-methyl-5-pyrimidinyl)-1-phenyl-1H-pyrazol-5-yl]- Urea, N-[(3S,4R)-4-(3-fluorophenyl)-1-(2-methoxyethyl)-3-pyrrolidinyl]-N'-[4-methyl-3-(2-methyl-5-pyrimidinyl)-1-phenyl-1H-pyrazol-5-yl]- 1824664-89-2 C29H32FN7O2
Carbamic acid, N-[[1-[(5-bromo-2-chloro-4-pyrimidinyl)amino]cyclohexyl]methyl]-, 1,1-dimethylethyl ester Carbamic acid, N-[[1-[(5-bromo-2-chloro-4-pyrimidinyl)amino]cyclohexyl]methyl]-, 1,1-dimethylethyl ester 1374635-87-6 C16H24BrClN4O2
1H-1,2,3-Triazole, 5-bromo-1-ethyl- 1H-1,2,3-Triazole, 5-bromo-1-ethyl- 1393560-22-9 C4H6BrN3
4-Chloro-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-(2,2,2-trifluoroethyl)-1H-indazol-3-amine 4-Chloro-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-(2,2,2-trifluoroethyl)-1H-indazol-3-amine 2189684-53-3 C15H18BClF3N3O2
4H-1,4-Oxazine-4-carboxylic acid, 5-[(diphenoxyphosphinyl)oxy]-2,3-dihydro-, 1,1-dimethylethyl ester 4H-1,4-Oxazine-4-carboxylic acid, 5-[(diphenoxyphosphinyl)oxy]-2,3-dihydro-, 1,1-dimethylethyl ester 1429228-74-9 C21H24NO7P
Pyrimidine, 4-(3-bromophenyl)- Pyrimidine, 4-(3-bromophenyl)- 56598-88-0 C10H7BrN2
2,6-Methano-2H-oxireno[3',4']cyclopenta[1',2':6,7]naphth[2,3-b]oxirene, dodecahydro- 2,6-Methano-2H-oxireno[3',4']cyclopenta[1',2':6,7]naphth[2,3-b]oxirene, dodecahydro- 55553-81-6 C14H18O2
4(1H)-Pyridinone, 3-bromo-5-methyl- 4(1H)-Pyridinone, 3-bromo-5-methyl- 70149-41-6 C6H6BrNO
TAK-653 TAK-653 1358751-06-0 C19H23N3O3S
3-Pyridinol, 6-methyl-5-(trifluoromethyl)- 3-Pyridinol, 6-methyl-5-(trifluoromethyl)- 1824097-10-0 C7H6F3NO
Thiophene, 4-bromo-2-fluoro- Thiophene, 4-bromo-2-fluoro- 34746-38-8 C4H2BrFS
2-BROMO-4-(3-METHOXYPHENYL) PYRIDINE 2-BROMO-4-(3-METHOXYPHENYL) PYRIDINE 1381935-31-4 C12H10BrNO
4H-1,2,4-Triazole, 3-bromo-5-methyl-4-phenyl- 4H-1,2,4-Triazole, 3-bromo-5-methyl-4-phenyl- 56616-90-1 C9H8BrN3
5-Thiazolamine, 2-(3-oxetanyloxy)- 5-Thiazolamine, 2-(3-oxetanyloxy)- 1601936-97-3 C6H8N2O2S
(S)-5-methyl-2-(pyrrolidin-2-yl)pyridine (S)-5-methyl-2-(pyrrolidin-2-yl)pyridine 1213645-44-3 C10H14N2
4(1H)-Pyrimidinone, 6-(1-methylethoxy)-2-(1-methylethyl)- (9CI) 4(1H)-Pyrimidinone, 6-(1-methylethoxy)-2-(1-methylethyl)- (9CI) 38249-42-2 C10H16N2O2
4-Pyrimidinemethanol, 2-chloro- (9CI) 4-Pyrimidinemethanol, 2-chloro- (9CI) 34953-87-2 C5H5ClN2O
2,2':6',2''-TERPYRIDINE-4,4',4''-TRICARBOXYLIC ACID 2,2':6',2''-TERPYRIDINE-4,4',4''-TRICARBOXYLIC ACID 216018-58-5 C18H11N3O6
5-[(S)-2,2-Dimethyltetrahydro-2H-pyran-4-yl]-1-[(1S,2S)-2-methyl-1-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)cyclopropyl]-1H-indole-2-carboxylic Acid 5-[(S)-2,2-Dimethyltetrahydro-2H-pyran-4-yl]-1-[(1S,2S)-2-methyl-1-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)cyclopropyl]-1H-indole-2-carboxylic Acid 2212021-83-3 C22H25N3O5
2,4-diamino-6-chloropyrimidine-1-oxide 2,4-diamino-6-chloropyrimidine-1-oxide
6-bromo-2-fluoro-3-(3-(pyrrolidin-1-yl)propoxy)benzonitrile 6-bromo-2-fluoro-3-(3-(pyrrolidin-1-yl)propoxy)benzonitrile
5-Bromo-quinazoline 5-Bromo-quinazoline 958452-00-1 C8H5BrN2
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