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Heterocyclic compound

Heterocyclic compounds are a class of organic compounds with cyclic structure. The ring-constituting atoms in the molecule, in addition to carbon, also include one or more nitrogen, sulfur, oxygen and other atoms. Those containing one ring are called single-heterocyclic compounds, such as furan, thiazole, and pyridine. Those containing two or more rings are called fused heterocyclic compounds such as quinoline and purine. The most common and most stable are five- or six-membered heterocyclic ring. Simple heterocyclic ring is capable of merging with benzene or another heterocyclic ring to form a bicyclic, tricyclic or more complex ring system. Some kinds of heterocyclic rings have features of aromatic compounds, such as being easy to participate into substitution reaction, difficult to have addition reaction and being stable to oxidant. Heterocyclic compounds are widely found in nature, such as nucleic acids, most kinds of vitamins, chlorophyll, heme, most kinds of alkaloids, pigments and so on. A fraction of the heterocyclic compounds have aromatic characteristics, such as plants coumarone, jasmonate and animals civetone. There are many synthetic pesticides that belong to such compounds such as herbicides atrazine, amitrole, CMPT, insecticide fluorine propargite, quinoline parathion, thioquinox and so on. Simple heterocyclic compound is an important raw material of organic chemical industry.

The cyclic compounds with atoms constituting the ring system, in addition to carbon atom, also containing O, S, and N heteroatom are collectively referred to as heterocyclic compounds. According to this definition, the cyclic dicarboxylic anhydride, the cyclic imide, lactones, lactides, cyclic anhydrides, lactams, and cyclic ethers, strictly speaking, also belong to heterocyclic compounds. However, due to the nature of these compounds are similar with aliphatic compound, and can easily undergo either the cyclization of the open-chain compounds or ring open reaction to be transformed into chain compounds, thus being generally attributed to the aliphatic chemistry for discussion. Therefore, heterocyclic compounds generally refer specifically to those heterocyclic compounds with relatively stable ring system but different levels of aromatic properties, namely aromatic heterocyclic compound.

The organic heterocyclic compounds belong to a large class in the three large categories of organic compounds, open chain, carbocyclic and heterocyclic organic compounds. It contains various kinds and has a large number accounting for about one-third of all known organic compounds and is also widespread in the biosphere, having close relation with the biological growth, development, reproduction, and genetic variation and so on. Common heterocyclic compounds include furan, thiophene, pyrrole, pyridine, quinoline, carbazole and so on.

These kinds of heterocyclic compounds are widely used in organic synthesis or as pharmaceuticals, pesticides, solvents and so on. They are colorless liquids with special smell or crystallization and have specific gravity being less than or close to water. They are toxic and can be soluble in some organic solvents and slightly soluble in water. In case of fire, heat, oxidants and strong acids, it can cause fire or explosion with simultaneous deposition of toxic sulfur dioxide or nitrogen oxide gas. Furan, when being exposed to the air, is capable of forming peroxides with causing an explosion during distillation. In the management of dangerous goods, according to the risk grades of fire, explosion, toxicity risk, they were classified as flammable liquids, flammable solids and organic toxic chemicals; when used in the reservoir, the first two comply danger of the A and B class while the latter one is based on class C fire danger for conducting fire management. In case of fire, we can use foam, dry powder, water mist, 1211 and carbon dioxide for fire extinguishing agents.

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Structure Chemical Name CAS MF
1-(2-Methylphenyl)piperazine 1-(2-Methylphenyl)piperazine 39512-51-1 C11H16N2
15-KETO LATANOPROST 15-KETO LATANOPROST 135646-98-9 C26H38O5
1-[(benzyloxy)carbonyl]-4-ethyl-2,5-dihydro-1H-pyrrole-3-carboxylic acid 1-[(benzyloxy)carbonyl]-4-ethyl-2,5-dihydro-1H-pyrrole-3-carboxylic acid 1869118-25-1 C15H17NO4
Pyrano[4,3-b]indole (8CI,9CI) Pyrano[4,3-b]indole (8CI,9CI) 244-74-6 C11H7NO
1-ISOPROPYL-PIPERIDIN-4-YLAMINE 1-ISOPROPYL-PIPERIDIN-4-YLAMINE 127285-08-9 C8H18N2
5,11-Dihydropyrido[2,3-b][1,4]benzodiazepin-6-one 5,11-Dihydropyrido[2,3-b][1,4]benzodiazepin-6-one 885-70-1 C12H9N3O
(1r,4r)-4-hydroxy-1-methylcyclohexane-1-carboxylic acid (1r,4r)-4-hydroxy-1-methylcyclohexane-1-carboxylic acid 76657-91-5 C8H14O3
(11S,12S)-9,10-DIHYDRO-9,10-ETHANOANTHRACENE-11,12-DIAMINE (11S,12S)-9,10-DIHYDRO-9,10-ETHANOANTHRACENE-11,12-DIAMINE 138517-66-5 C16H16N2
1-Boc-2-cyanopiperidine 1-Boc-2-cyanopiperidine 153749-89-4 C11H18N2O2
TETRAMISOLE TETRAMISOLE C11H12N2S
1-Tritylimidazole-4-carboxaldehyde 1-Tritylimidazole-4-carboxaldehyde 33016-47-6 C23H18N2O
ethyl 3-methyl-2,4-dioxo-1H-pyrimidine-5-carboxylate ethyl 3-methyl-2,4-dioxo-1H-pyrimidine-5-carboxylate 154942-22-0 C8H10N2O4
Tetrabenazine Tetrabenazine 58-46-8 C19H27NO3
2,3,6,7,14,15-Hexabromo-9,10-dihydro-9,10-[1,2]benzenoanthracene 2,3,6,7,14,15-Hexabromo-9,10-dihydro-9,10-[1,2]benzenoanthracene 55805-81-7 C20H8Br6
2,5-DICHLORO-4,6-DIMETHYLNICOTINONITRILE 2,5-DICHLORO-4,6-DIMETHYLNICOTINONITRILE 91591-63-8 C8H6Cl2N2
(R)-4-chloro-5-methyl-5,6-dihydropyrido[2,3-d]pyrimidin-7(8H)-one (R)-4-chloro-5-methyl-5,6-dihydropyrido[2,3-d]pyrimidin-7(8H)-one 1295516-68-5 C8H8ClN3O
Niraparib tosylate Niraparib tosylate 1613220-15-7 C26H28N4O4S
Sarolaner Sarolaner 1398609-39-6 C23H18Cl2F4N2O5S
5-Methyl-1H-hexahydropyrrolo[3,4-b]pyrrole 5-Methyl-1H-hexahydropyrrolo[3,4-b]pyrrole 132414-59-6 C7H14N2
5-Fluoro-1H-pyrrolo[2,3-b]pyridine-3-carbaldehyde 5-Fluoro-1H-pyrrolo[2,3-b]pyridine-3-carbaldehyde 1171920-17-4 C8H5FN2O
2-Hydroxy-6-methyl-pyrimidine-4-carboxylic acidhydrochloride 2-Hydroxy-6-methyl-pyrimidine-4-carboxylic acidhydrochloride 1185300-30-4 C6H7ClN2O3
Ethyl 2-bromooxazole-5-carboxylate Ethyl 2-bromooxazole-5-carboxylate 1060816-22-9 C6H6BrNO3
Estra-1,3,5(10)-triene-3,17-diol,7-[9-[(4,4,5,5,5-pentafluoropentyl)thio]nonyl]-,17-acetate,(7a,17b)- Estra-1,3,5(10)-triene-3,17-diol,7-[9-[(4,4,5,5,5-pentafluoropentyl)thio]nonyl]-,17-acetate,(7a,17b)- 875573-69-6 C34H49F5O3S
6-Bromo-5-fluoro-2-pyridinecarboxylic acid 6-Bromo-5-fluoro-2-pyridinecarboxylic acid 1052714-46-1 C6H3BrFNO2
2-(4-(trifluoromethyl)phenyl)oxazolo[4,5-c]quinolin-4(5H)-one 2-(4-(trifluoromethyl)phenyl)oxazolo[4,5-c]quinolin-4(5H)-one 2231827-83-9 C17H9F3N2O2
6-Chloro-5-hydroxy-nicotinic acid methyl ester 6-Chloro-5-hydroxy-nicotinic acid methyl ester 915107-30-1 C7H6ClNO3
tert-butyl 8-oxo-3-azabicyclo[3.2.1]octane-3-carboxylate tert-butyl 8-oxo-3-azabicyclo[3.2.1]octane-3-carboxylate 637301-19-0 C12H19NO3
(2S)-2-(2,6-Dichlorophenyl)-1-[(1R)-1-phenylethyl]-4-imidazolidinone (2S)-2-(2,6-Dichlorophenyl)-1-[(1R)-1-phenylethyl]-4-imidazolidinone 1004754-99-7 C17H16Cl2N2O
bk-DMBDB (hydrochloride) bk-DMBDB (hydrochloride) 17763-12-1 C13H18ClNO3
5,6-diMethoxybenzo[c]isoxazole 5,6-diMethoxybenzo[c]isoxazole 148495-00-5 C9H9NO3
2-CHLORO-5-FLUORO-4-METHOXY-6-METHYLPYRIMIDINE 2-CHLORO-5-FLUORO-4-METHOXY-6-METHYLPYRIMIDINE 1192479-35-8 C6H6ClFN2O
2-Chloro-5,6,7,8-tetrahydro-pyrido[3,4-d]pyriMidine 2-Chloro-5,6,7,8-tetrahydro-pyrido[3,4-d]pyriMidine 1196153-06-6 C7H8ClN3
(2S)-4-Oxo-2-(3-thiazolidinylcarbonyl)-1-pyrrolidinecarboxylic acid tert-butyl ester (2S)-4-Oxo-2-(3-thiazolidinylcarbonyl)-1-pyrrolidinecarboxylic acid tert-butyl ester 401564-36-1 C13H20N2O4S
FR901379 FR901379 144371-88-0 C51H82N8O21S
2,6-difluoro-3,5-diMethoxybenzenaMine 2,6-difluoro-3,5-diMethoxybenzenaMine 651734-54-2 C8H9F2NO2
7,7-diMethyl-1,4-dioxaspiro[4.5]decan-8-one 7,7-diMethyl-1,4-dioxaspiro[4.5]decan-8-one 134409-06-6 C10H16O3
CarbaMic acid, N,N-di-2-propyn-1-yl-, 1,1-diMethylethyl ester CarbaMic acid, N,N-di-2-propyn-1-yl-, 1,1-diMethylethyl ester 262418-92-8 C11H15NO2
8-Methylquinoline N-oxide 8-Methylquinoline N-oxide 4053-38-7 C10H9NO
8-chloro-2-(trifluoromethyl)-3,4-dihydro-1H-pyrimido[1,2-a]pyrimidin-6(2H)-one 8-chloro-2-(trifluoromethyl)-3,4-dihydro-1H-pyrimido[1,2-a]pyrimidin-6(2H)-one 1260585-12-3 C8H7ClF3N3O
5-Chloro-6-trifluoromethyl-pyridin-2-ylamine 5-Chloro-6-trifluoromethyl-pyridin-2-ylamine 1227595-72-3 C6H4ClF3N2
1,4-Thioxane-1,1-dioxide 1,4-Thioxane-1,1-dioxide 107-61-9 C4H8O3S
2-cyclopropyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazine 2-cyclopropyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazine 1412905-41-9 C13H19BN2O2
(R)-tert-Butyl 2-methyl-1,4-diazepane-1-carboxylate (R)-tert-Butyl 2-methyl-1,4-diazepane-1-carboxylate 1374130-05-8 C11H22N2O2
(Z)-2-cyanoethyl 2-(4-cyano-2-methoxybenzylidene)-3-oxobutanoate (Z)-2-cyanoethyl 2-(4-cyano-2-methoxybenzylidene)-3-oxobutanoate 1050477-39-8 C16H14N2O4
4-(1-((benzyloxy)methyl)-5-(pyridin-4-yl)-1H-1,2,4-triazol-3-yl)picolinonitrile 4-(1-((benzyloxy)methyl)-5-(pyridin-4-yl)-1H-1,2,4-triazol-3-yl)picolinonitrile 837371-70-7 C21H16N6O
2-amino-5-nitro-4,6-pyrimidinedione 2-amino-5-nitro-4,6-pyrimidinedione 301315-87-7 C4H4N4O4
2-Bromo-4-methoxy-6-methylpyrimidine 2-Bromo-4-methoxy-6-methylpyrimidine 56545-10-9 C6H7BrN2O
ethyl 6-bromobenzofuran-3-carboxylate ethyl 6-bromobenzofuran-3-carboxylate 1260799-56-1 C11H9BrO3
N-(tert-butyl)-1H-indazole-7-carboxamide N-(tert-butyl)-1H-indazole-7-carboxamide 1476776-76-7 C12H15N3O
(R)-2-(2-methoxyphenyl)-2-((tetrahydro-2H-pyran-4-yl)oxy)ethan-1-ol (R)-2-(2-methoxyphenyl)-2-((tetrahydro-2H-pyran-4-yl)oxy)ethan-1-ol 1434652-66-0 C14H20O4
(S)-1-(5-fluoro-2-iodophenyl)ethan-1-ol (S)-1-(5-fluoro-2-iodophenyl)ethan-1-ol 1454847-96-1 C8H8FIO
tert-butyl((4-bromo-5-cyano-1-methyl-1H-pyrazol-3-yl)methyl)(methyl)carbamate tert-butyl((4-bromo-5-cyano-1-methyl-1H-pyrazol-3-yl)methyl)(methyl)carbamate 1454848-24-8 C12H17BrN4O2
1-(4-bromophenyl)azetidin-2-one 1-(4-bromophenyl)azetidin-2-one 7661-25-8 C9H8BrNO
4-Pyrimidinamine,5-(chloromethyl)-2-methyl-, hydrochloride (1:1) 4-Pyrimidinamine,5-(chloromethyl)-2-methyl-, hydrochloride (1:1) 70476-08-3 C6H9Cl2N3
6-BROMO-5-METHYLINDOLE 6-BROMO-5-METHYLINDOLE 248602-16-6 C9H8BrN
Ethanone, 1-[4-(3-aminocyclohexyl)-1-piperazinyl]- Ethanone, 1-[4-(3-aminocyclohexyl)-1-piperazinyl]- 1517686-56-4 C12H23N3O
(R)-2-(2,5-DIFLUOROPHENYL)PYRROLIDINE HYDROCHLORIDE (R)-2-(2,5-DIFLUOROPHENYL)PYRROLIDINE HYDROCHLORIDE 1218935-60-4 C10H12ClF2N
4,5-diiodo-1-methyl-triazole 4,5-diiodo-1-methyl-triazole 1248676-71-2 C3H3I2N3
4H-Pyrrolo[3,2-d]pyrimidin-4-one, 2-chloro-3,5-dihydro-3-methyl- 4H-Pyrrolo[3,2-d]pyrimidin-4-one, 2-chloro-3,5-dihydro-3-methyl- 2351929-82-1 C7H6ClN3O
3H-Pyrazolo[4,3-f]isoquinoline, 6-(5-bromo-2-pyridinyl)-6,7,8,9-tetrahydro-8-methyl-7-(2,2,2-trifluoroethyl)-, (6S,8R)- 3H-Pyrazolo[4,3-f]isoquinoline, 6-(5-bromo-2-pyridinyl)-6,7,8,9-tetrahydro-8-methyl-7-(2,2,2-trifluoroethyl)-, (6S,8R)- 2142634-01-1 C18H16BrF3N4
1-CYCLOPROPYLMETHYL-PIPERAZINE DIHYDROCHLORIDE 1-CYCLOPROPYLMETHYL-PIPERAZINE DIHYDROCHLORIDE 373608-42-5 C8H18Cl2N2
2-[[(2'-Cyano[1,1'-biphenyl]-4-yl)methyl]amino]-3-nitro-benzoic acid ethyl ester 2-[[(2'-Cyano[1,1'-biphenyl]-4-yl)methyl]amino]-3-nitro-benzoic acid ethyl ester 136285-67-1 C23H19N3O4
2-butyl-benzimidazol 2-butyl-benzimidazol 5851-44-5 C11H14N2
2-Propenal, 3-(5-nitro-2-thienyl)- 2-Propenal, 3-(5-nitro-2-thienyl)- 62391-19-9 C7H5NO3S
allyl chlorooxoacetate allyl chlorooxoacetate 74503-07-4 C5H5ClO3
Benzenamine, 4,4',4''-(2,4,6-pyrimidinetriyl)tris- (9CI) Benzenamine, 4,4',4''-(2,4,6-pyrimidinetriyl)tris- (9CI) 136009-19-3 C22H19N5
α-(4-Bromophenyl)-2-pyridinemethanol α-(4-Bromophenyl)-2-pyridinemethanol 848605-31-2 C12H10BrNO
L-Prolinamide, N-(8-carboxy-1-oxooctyl)-3-methyl-L-valyl-4-hydroxy-N-[[4-(4-methyl-5-thiazolyl)phenyl]methyl]-, (4R)- L-Prolinamide, N-(8-carboxy-1-oxooctyl)-3-methyl-L-valyl-4-hydroxy-N-[[4-(4-methyl-5-thiazolyl)phenyl]methyl]-, (4R)- 2172819-76-8 C31H44N4O6S
Methyl 1-[(2'-cyanobiphenyl-4-yl)methyl]-2-ethoxy-1H-benzimidazole-7-carboxylate Methyl 1-[(2'-cyanobiphenyl-4-yl)methyl]-2-ethoxy-1H-benzimidazole-7-carboxylate 139481-44-0 C25H21N3O3
6-(Bromomethyl)-2,4-pteridinediamine hydrobromide 6-(Bromomethyl)-2,4-pteridinediamine hydrobromide 52853-40-4 C7H8Br2N6
5-(1-Hydroxyethylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione 5-(1-Hydroxyethylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione 85920-63-4 C8H10O5
3-(4-Nitro-1-oxo-1,3-dihydroisoindol-2-yl)piperidine-2,6-dione 3-(4-Nitro-1-oxo-1,3-dihydroisoindol-2-yl)piperidine-2,6-dione 827026-45-9 C13H11N3O5
7H-Pyrrolo[2,3-d]pyrimidine, 2-methyl- (7CI) 7H-Pyrrolo[2,3-d]pyrimidine, 2-methyl- (7CI) 89792-07-4 C7H7N3
Pneumocandin B0 Pneumocandin B0 135575-42-7 C50H80N8O17
Latanoprost Lactone Diol Latanoprost Lactone Diol 145667-75-0 C18H24O4
2-Propenoic acid, 3-[1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-, (2E)- 2-Propenoic acid, 3-[1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-, (2E)- 923023-62-5 C33H32N2O9
1H-PYRROLO[3,2-B]PYRIDIN-6-AMINE 1H-PYRROLO[3,2-B]PYRIDIN-6-AMINE 1015609-67-2 C7H7N3
INDEX NAME NOT YET ASSIGNED INDEX NAME NOT YET ASSIGNED 2375020-19-0 C29H24BrF7N4O3S
HFPO OLIGOMER ACID FLUORIDES HFPO OLIGOMER ACID FLUORIDES 65208-35-7 C6F12O2
4-Fluoro-1H-indole-7-carbonitrile 4-Fluoro-1H-indole-7-carbonitrile 313337-33-6 C9H5FN2
Fmoc-Trp(7-CF3)-OH Fmoc-Trp(7-CF3)-OH 2411871-29-7
(S)-2-(1-Methylpyrrolidin-2-yl)ethan-1-amine dihydrochloride (S)-2-(1-Methylpyrrolidin-2-yl)ethan-1-amine dihydrochloride 2803108-85-0 C7H18Cl2N2
2-HYDROXYETHYLUREA 2-HYDROXYETHYLUREA 2078-71-9 C3H8N2O2
3H-Indolium, 2-[5-[1,3-dihydro-3-methyl-3-[6-oxo-6-(2-propyn-1-ylamino)hexyl]-5-sulfo-1-(3-sulfopropyl)-2H-indol-2-ylidene]-1,3-pentadien-1-yl]-3,3-dimethyl-5-sulfo-1-(3-sulfopropyl)-, inner salt 3H-Indolium, 2-[5-[1,3-dihydro-3-methyl-3-[6-oxo-6-(2-propyn-1-ylamino)hexyl]-5-sulfo-1-(3-sulfopropyl)-2H-indol-2-ylidene]-1,3-pentadien-1-yl]-3,3-dimethyl-5-sulfo-1-(3-sulfopropyl)-, inner salt 2770422-56-3 C39H49N3O13S4
2-Amino-5-nitrothiazole 2-Amino-5-nitrothiazole 121-66-4 C3H3N3O2S
4-HYDROXY-AZOBENZENE-4'-CARBOXYLICACID 4-HYDROXY-AZOBENZENE-4'-CARBOXYLICACID 2497-38-3 C13H10N2O3
Benzo[d]Isothiazole Benzo[d]Isothiazole 272-16-2 C7H5NS
(2R,3S)-2-((R)-1-(3,5-Bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholine hydrochloride (2R,3S)-2-((R)-1-(3,5-Bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholine hydrochloride 171482-05-6 C20H19ClF7NO2
7,8,9,10-Tetrahydro-8-(trifluoroacetyl)-6,10-methano-6H-pyrazino[2,3-h][3]benzazepine (N-(Trifluoroacetyl)varenicline) 7,8,9,10-Tetrahydro-8-(trifluoroacetyl)-6,10-methano-6H-pyrazino[2,3-h][3]benzazepine (N-(Trifluoroacetyl)varenicline) 230615-70-0 C15H12F3N3O
6-BOC-3,6-DIAZABICYCLO[3.2.0]HEPTANE 6-BOC-3,6-DIAZABICYCLO[3.2.0]HEPTANE 122848-57-1 C10H18N2O2
1-BENZYL-PYRROLIDINE-3-CARBONITRILE 1-BENZYL-PYRROLIDINE-3-CARBONITRILE 10603-52-8 C12H14N2
(+)-(4S)-PHENYL-ALPHA-[(4S)-PHENYLOXAZOLIDIN-2-YLIDENE]-2-OXAZOLINE-2-ACETONITRILE (+)-(4S)-PHENYL-ALPHA-[(4S)-PHENYLOXAZOLIDIN-2-YLIDENE]-2-OXAZOLINE-2-ACETONITRILE 150639-33-1 C20H17N3O2
4-Chloro-N-methylpiperidine 4-Chloro-N-methylpiperidine 5570-77-4 C6H12ClN
1-(1-naphthylmethyl)quinolinium chloride 1-(1-naphthylmethyl)quinolinium chloride 65322-65-8 C20H16ClN
1H-Pyrazole-5-carboxamide, N-[(1S)-2,2-dicyclopropyl-1-[[[4-[(1S,2R)-3-[(3R)-3,4-dimethyl-1-piperazinyl]-2-[[(2S)-2-methoxy-1-oxopropyl]amino]-1-methyl-3-oxopropyl]-2-fluorophenyl]amino]carbonyl]ethyl]-1-ethyl- 1H-Pyrazole-5-carboxamide, N-[(1S)-2,2-dicyclopropyl-1-[[[4-[(1S,2R)-3-[(3R)-3,4-dimethyl-1-piperazinyl]-2-[[(2S)-2-methoxy-1-oxopropyl]amino]-1-methyl-3-oxopropyl]-2-fluorophenyl]amino]carbonyl]ethyl]-1-ethyl- 2978700-29-5 C35H50FN7O5
2,3-Diaminobenzoic acid 2,3-Diaminobenzoic acid 603-81-6 C7H8N2O2
4,6-Dimethyl-2-methylsulfonylpyrimidine 4,6-Dimethyl-2-methylsulfonylpyrimidine 35144-22-0 C7H10N2O2S
Antiproliferative agent-71 Antiproliferative agent-71 3083307-42-7 C50H54N10O5S
4,6-Difluoroindole-2-carboxylic acid 4,6-Difluoroindole-2-carboxylic acid 247564-66-5 C9H5F2NO2
coccinelline coccinelline 34290-97-6 C13H23NO
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