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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-Aminopyridine-2,4(1H,3H)-dione 1048978-65-9 C5H6N2O2
    5-Aminopyridine-2,4(1H,3H)-dione
    —— 5-Aminopyridine-3-thiol 912545-80-3 C5H6N2S
    5-Aminopyridine-3-thiol
    —— 5-Amino-2-iminopyridin-1(2H)-ol 900138-62-7 C5H7N3O
    5-Amino-2-iminopyridin-1(2H)-ol
    —— 5-methyl-2,3,5,6,7,8-hexahydro-imidazo[1,2-<i>a</i>]pyridine 69294-58-2 C8H14N2
    5-methyl-2,3,5,6,7,8-hexahydro-imidazo[1,2-<i>a</i>]pyridine
    —— 5,6-Dimethylpyridin-2(3H)-one 91588-27-1 C7H9NO
    5,6-Dimethylpyridin-2(3H)-one
    —— 5-Methylpyridin-4(3H)-one 953018-18-3 C6H7NO
    5-Methylpyridin-4(3H)-one
    —— 5-methyl-6,7-dihydro-5H-cyclopenta[c]pyridine 83504-33-0 C9H11N
    5-methyl-6,7-dihydro-5H-cyclopenta[c]pyridine
    —— 5,6-Dihydropyrido<2,3-d>pyridazin 66135-42-0 C7H7N3
    5,6-Dihydropyrido<2,3-d>pyridazin
    —— (5Z)-5-Ethylidene-6-methyl-4,5-dihydropyridin-2(3H)-one 202188-86-1 C8H11NO
    (5Z)-5-Ethylidene-6-methyl-4,5-dihydropyridin-2(3H)-one
    —— 5,6,7,8-tetrahydro-2<i>H</i>-imidazo[1,2-<i>a</i>]pyridin-3-one 13753-98-5 C7H10N2O
    5,6,7,8-tetrahydro-2<i>H</i>-imidazo[1,2-<i>a</i>]pyridin-3-one
    —— (5-Ethenylpyridin-2-yl)methanol 7300-31-4 C8H9NO
    (5-Ethenylpyridin-2-yl)methanol
    —— 5-Ethenylpiperidin-3-one 897028-17-0 C7H11NO
    5-Ethenylpiperidin-3-one
    —— 5-Methyl-5H-pyrrolo[2,3-B]pyridine 887402-42-8 C8H8N2
    5-Methyl-5H-pyrrolo[2,3-B]pyridine
    —— 5-trimethylsilyl-2-cyanofuran 92587-39-8 C8H11NOSi
    5-trimethylsilyl-2-cyanofuran
    —— 5-Hydroxy-2-methylpyridine-4-carbonitrile 27864-94-4 C7H6N2O
    5-Hydroxy-2-methylpyridine-4-carbonitrile
    —— 5-(2-hydroxyethyl)-3H-1,3-thiazole-2-thione 35170-79-7 C5H7NOS2
    5-(2-hydroxyethyl)-3H-1,3-thiazole-2-thione
    —— (5S,18S)-1,22-Diamino-7,16-dioxo-6,8,15,17-tetraazadocosane-5,18-dicarboxylic acid 1417789-80-0 C20H40N6O6
    (5S,18S)-1,22-Diamino-7,16-dioxo-6,8,15,17-tetraazadocosane-5,18-dicarboxylic acid
    —— 5-(2-Bromoacetyl)-2-chloro-4-methylbenzonitrile 1375302-43-4 C10H7BrClNO
    5-(2-Bromoacetyl)-2-chloro-4-methylbenzonitrile
    —— 5-{[(2Z)-2-[(3-Chlorobenzoyl)imino]-4-methyl-1,3-thiazol-3(2H)-yl]methyl}-N-[(oxolan-2-yl)methyl]furan-2-carboxamide 1047762-44-6 C22H22ClN3O4S
    5-{[(2Z)-2-[(3-Chlorobenzoyl)imino]-4-methyl-1,3-thiazol-3(2H)-yl]methyl}-N-[(oxolan-2-yl)methyl]furan-2-carboxamide
    —— 5-Chloro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-YL)-1-(triisopropylsilyl)-1H-pyrrolo[2,3-B]pyridine 1073338-95-0 C22H36BClN2O2Si
    5-Chloro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-YL)-1-(triisopropylsilyl)-1H-pyrrolo[2,3-B]pyridine
    —— 5-amino-1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-N-methoxy-4-trifluoro-methylsulfinyl-1H-pyrazole-3-carboximidamide 194941-34-9 C13H9Cl2F6N5O2S
    5-amino-1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-N-methoxy-4-trifluoro-methylsulfinyl-1H-pyrazole-3-carboximidamide
    —— 5-bromo-N2-(2-pyrrolidin-1-yl-ethyl)-pyridine-2,3-diamine 690265-06-6 C11H17BrN4
    5-bromo-N2-(2-pyrrolidin-1-yl-ethyl)-pyridine-2,3-diamine
    —— 5-amino-2-fluoro-N-(2-pyrrolidin-1-ylethyl)benzamide 1251951-04-8 C13H18FN3O
    5-amino-2-fluoro-N-(2-pyrrolidin-1-ylethyl)benzamide
    —— 5-Formyl-2-phenoxy-3-prop-2-ynylamino-benzenesulfonamide 62274-09-3 C16H14N2O4S
    5-Formyl-2-phenoxy-3-prop-2-ynylamino-benzenesulfonamide
    —— 5,5-dimethyl-1,3,4,5-tetrahydro-benzo[b]azepin-2-one 221692-43-9 C12H15NO
    5,5-dimethyl-1,3,4,5-tetrahydro-benzo[b]azepin-2-one
    —— 5-(1S-(3-benzyloxycarbonylphenylaminocarbonyl)-2-phenylethylaminocarbonyl)-benzimidazole-6-carboxylic acid 167992-92-9 C32H26N4O6
    5-(1S-(3-benzyloxycarbonylphenylaminocarbonyl)-2-phenylethylaminocarbonyl)-benzimidazole-6-carboxylic acid
    —— 5-Thiazolemethanamine, 2-(3-bromophenyl)-N,I+/--dimethyl- 1250424-07-7 C12H13BrN2S
    5-Thiazolemethanamine, 2-(3-bromophenyl)-N,I+/--dimethyl-
    —— 5-Methyl-6-phenylhex-3-en-2-one 193476-31-2 C13H16O
    5-Methyl-6-phenylhex-3-en-2-one
    —— 5-Methylmercapto-s-triazolo<2,3-a>pyrimidin 89418-41-7 C6H6N4S
    5-Methylmercapto-s-triazolo<2,3-a>pyrimidin
    —— 5-[4-(4-Propan-2-yloxyphenyl)butylidene]-1,3-thiazolidine-2,4-dione 186895-44-3 C16H19NO3S
    5-[4-(4-Propan-2-yloxyphenyl)butylidene]-1,3-thiazolidine-2,4-dione
    —— 5-{(2S)-2-({(2S)-2-[(tert-butoxycarbonyl)amino]-3-phenylpropanoyl}amino)-3-oxo-3-[(3-phenylpropyl)amino]propyl}-2-(carboxymethoxy)benzoic acid 292835-38-2 C35H41N3O9
    5-{(2S)-2-({(2S)-2-[(tert-butoxycarbonyl)amino]-3-phenylpropanoyl}amino)-3-oxo-3-[(3-phenylpropyl)amino]propyl}-2-(carboxymethoxy)benzoic acid
    —— 5-(1-Piperazinyl)pyrido[3,4-b]pyrazine 214045-83-7 C11H13N5
    5-(1-Piperazinyl)pyrido[3,4-b]pyrazine
    —— 5-(2-Chloro-4-methylphenoxy)pentanethioamide 1247699-76-8 C12H16ClNOS
    5-(2-Chloro-4-methylphenoxy)pentanethioamide
    —— 5-Methyl-1-(2-nitrophenyl)-1H-pyrazol-3-amine 1240564-85-5 C10H10N4O2
    5-Methyl-1-(2-nitrophenyl)-1H-pyrazol-3-amine
    —— 5H-Cyclopenta[b]pyridine-3-carboxylic acid, 2-(diethylamino)-6,7-dihydro- 1280704-00-8 C13H18N2O2
    5H-Cyclopenta[b]pyridine-3-carboxylic acid, 2-(diethylamino)-6,7-dihydro-
    —— 5-Thiazolecarboxylic acid, 4-chloro-2-[(2-methylbutyl)amino]-, methyl ester 1250534-80-5 C10H15ClN2O2S
    5-Thiazolecarboxylic acid, 4-chloro-2-[(2-methylbutyl)amino]-, methyl ester
    —— 5-Methyl-2-(propan-2-yl)benzene-1-peroxol 18990-53-9 C10H14O2
    5-Methyl-2-(propan-2-yl)benzene-1-peroxol
    —— 5-cyclopropylhex-3-yne-1,5-diyl bis(2,2-dimethylpropanoate) 1392274-85-9 C19H30O4
    5-cyclopropylhex-3-yne-1,5-diyl bis(2,2-dimethylpropanoate)
    —— 5-fluoro-1-{3-[4-(2-oxo-2,3-dihydro-benzoimidazol-1-yl)-piperidin-1-yl]-propyl}-3,4-dihydro-1H-quinolin-2-one 1392407-37-2 C24H27FN4O2
    5-fluoro-1-{3-[4-(2-oxo-2,3-dihydro-benzoimidazol-1-yl)-piperidin-1-yl]-propyl}-3,4-dihydro-1H-quinolin-2-one
    —— (5E)-5-((7-bromo-1H-indol-3-yl)methylene)-1,3-dimethyl-2-(methylimino)imidazolidin-4-one 1393484-10-0 C15H15BrN4O
    (5E)-5-((7-bromo-1H-indol-3-yl)methylene)-1,3-dimethyl-2-(methylimino)imidazolidin-4-one
    —— 5-Chloro-3-decanoyl-1,3-benzoxazol-2-one 1353175-74-2 C17H22ClNO3
    5-Chloro-3-decanoyl-1,3-benzoxazol-2-one
    —— (5E)-5-((4-bromo-1H-indol-3-yl)methylene)-1,3-dimethyl-2-(methylimino)imidazolidin-4-one 1393484-07-5 C15H15BrN4O
    (5E)-5-((4-bromo-1H-indol-3-yl)methylene)-1,3-dimethyl-2-(methylimino)imidazolidin-4-one
    —— 5-(hydroperoxymethyl)-2-(naphthalen-2-yl)oxazole 1391708-76-1 C14H11NO3
    5-(hydroperoxymethyl)-2-(naphthalen-2-yl)oxazole
    —— 5-Thiazolemethanamine, N-(2,2,2-trifluoroethyl)- 1343120-13-7 C6H7F3N2S
    5-Thiazolemethanamine, N-(2,2,2-trifluoroethyl)-
    —— 5-(2,2-Dimethoxyethyl)-5-azaspiro[3.6]decan-6-one 182886-75-5 C13H23NO3
    5-(2,2-Dimethoxyethyl)-5-azaspiro[3.6]decan-6-one
    —— 5-Pyrimidinecarboxaldehyde, 2-(4-ethylphenyl)- 1340157-78-9 C13H12N2O
    5-Pyrimidinecarboxaldehyde, 2-(4-ethylphenyl)-
    —— 5-Chloromethyl-1-phenethyl-1H-tetrazole 1340222-64-1 C10H11ClN4
    5-Chloromethyl-1-phenethyl-1H-tetrazole
    —— 5,7-Dimethoxy-1,2,3,4-tetrahydronaphthalen-1-amine 886762-76-1 C12H17NO2
    5,7-Dimethoxy-1,2,3,4-tetrahydronaphthalen-1-amine
    —— 5-((2S)-2-({(2S)-2-[(tert-butoxycarbonyl)amino]-3-phenylpropanoyl}amino)-3-{[2-hydroxy-2-(3-phenoxyphenyl)ethyl]amino}-3-oxopropyl)-2-(carboxymethoxy)benzoic Acid 292835-73-5 C40H43N3O11
    5-((2S)-2-({(2S)-2-[(tert-butoxycarbonyl)amino]-3-phenylpropanoyl}amino)-3-{[2-hydroxy-2-(3-phenoxyphenyl)ethyl]amino}-3-oxopropyl)-2-(carboxymethoxy)benzoic Acid
    —— 5-Benzoxazolamine, 2-methyl-N-[(1-methyl-1H-1,2,3-triazol-4-yl)methyl]- 1284540-55-1 C12H13N5O
    5-Benzoxazolamine, 2-methyl-N-[(1-methyl-1H-1,2,3-triazol-4-yl)methyl]-