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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5,7-dimethyl-2-phenyl-2<i>H</i>,5<i>H</i>-pyrimido[4,5-<i>e</i>][1,2,4]triazine-3,6,8-trione 65172-73-8 C13H11N5O3
    5,7-dimethyl-2-phenyl-2<i>H</i>,5<i>H</i>-pyrimido[4,5-<i>e</i>][1,2,4]triazine-3,6,8-trione
    —— 5H-chromeno[2,3-b]pyridin-5-ylurea 78264-23-0 C13H11N3O2
    5H-chromeno[2,3-b]pyridin-5-ylurea
    —— 5-methoxy-1H-imidazo[4,5-b]pyridin-2(3H)-one 1388046-13-6 C7H7N3O2
    5-methoxy-1H-imidazo[4,5-b]pyridin-2(3H)-one
    —— (5R)-2-hydroxymethyl-5-isopropenyl-cyclohex-2-enone 859843-12-2 C10H14O2
    (5R)-2-hydroxymethyl-5-isopropenyl-cyclohex-2-enone
    —— 5-N-acetyl-4-methyl-8-nitro-2,3,4,5-tetrahydro-1H-1,5-benzodiazepin-2-one 54167-29-2 C12H13N3O4
    5-N-acetyl-4-methyl-8-nitro-2,3,4,5-tetrahydro-1H-1,5-benzodiazepin-2-one
    —— 5-cyano-2-iodopent-1-ene 240821-72-1 C6H8IN
    5-cyano-2-iodopent-1-ene
    —— 5-hydroxy-5-pent-1-ynyl-1-[(1S)-1-phenylethyl]pyrrol-2-one 335117-23-2 C17H19NO2
    5-hydroxy-5-pent-1-ynyl-1-[(1S)-1-phenylethyl]pyrrol-2-one
    —— 5α.10α-estranediol-(3β.17β) 98920-62-8 C18H30O2
    5α.10α-estranediol-(3β.17β)
    —— 5,5-dimethoxy-2-methyl-4-propyl-5H-cyclopenta[c]pyridine 317810-39-2 C14H19NO2
    5,5-dimethoxy-2-methyl-4-propyl-5H-cyclopenta[c]pyridine
    —— 5-anilino-2,2,3-trimethyl-2,3-dihydro-1,3,4-thiadiazole 87976-08-7 C11H15N3S
    5-anilino-2,2,3-trimethyl-2,3-dihydro-1,3,4-thiadiazole
    —— 5,6-dihydro-cyclopenta[<i>c</i>]thiophen-4-one 7687-82-3 C7H6OS
    5,6-dihydro-cyclopenta[<i>c</i>]thiophen-4-one
    —— 5-imino-5H-<1>benzopirano<3,4-c>piridin-2,4-dione 73856-57-2 C12H8N2O3
    5-imino-5H-<1>benzopirano<3,4-c>piridin-2,4-dione
    —— 5-methyl-4-phenyl-4H-1,2,4-triazol-3-ylmethanol 83503-27-9 C10H11N3O
    5-methyl-4-phenyl-4H-1,2,4-triazol-3-ylmethanol
    —— 5,6-dihydro-4H-cyclopenta<c>thiophene 7690-98-4 C7H8S
    5,6-dihydro-4H-cyclopenta<c>thiophene
    —— (5Z)-7-((2R)-2-{(1E,3S)-3-hydroxy-4-[3-(methoxymethyl)phenyl]but-1-enyl}-5-oxopyrrolidin-1-yl)hept-5-enoic acid 494222-00-3 C23H31NO5
    (5Z)-7-((2R)-2-{(1E,3S)-3-hydroxy-4-[3-(methoxymethyl)phenyl]but-1-enyl}-5-oxopyrrolidin-1-yl)hept-5-enoic acid
    —— 5-Methoxy-3-oxo-2-azabicyclo<2.2.0>hex-5-ene 75608-94-5 C6H7NO2
    5-Methoxy-3-oxo-2-azabicyclo<2.2.0>hex-5-ene
    —— 5-phenoxy-3-(trans-3-aminocyclobutyl)-1H-indole 171549-67-0 C18H18N2O
    5-phenoxy-3-(trans-3-aminocyclobutyl)-1H-indole
    —— (5R,6R,8R,9S)-8-phenyl-5,9,10-trimethyl-1,3,7-trioxa-10-azaspiro[5.5]undecan-11-one 916607-05-1 C16H21NO4
    (5R,6R,8R,9S)-8-phenyl-5,9,10-trimethyl-1,3,7-trioxa-10-azaspiro[5.5]undecan-11-one
    —— 5-bromo-3,6-dimethylpyrazin-2-ol —— C6H7BrN2O
    5-bromo-3,6-dimethylpyrazin-2-ol
    —— 5-hydroxyimino-4-nor-3,5-secocholestan-3-oic acid 131614-77-2 C26H45NO3
    5-hydroxyimino-4-nor-3,5-secocholestan-3-oic acid
    —— 5,8-dihydro-1-hydroxynaphthalene-2-carbaldehyde 874745-00-3 C11H10O2
    5,8-dihydro-1-hydroxynaphthalene-2-carbaldehyde
    —— 5-(3-methyl-but-2-enyl)-barbituric acid 104886-25-1 C9H12N2O3
    5-(3-methyl-but-2-enyl)-barbituric acid
    —— 5-(4-methylphenyl)-2-methylenevaleric acid ethyl ester 78573-46-3 C15H20O2
    5-(4-methylphenyl)-2-methylenevaleric acid ethyl ester
    —— 5,6,7,8-Tetrahydro-7-methyl-2,5-dioxo-2H-1-benzopyran-3-carboxamide 106551-69-3 C11H11NO4
    5,6,7,8-Tetrahydro-7-methyl-2,5-dioxo-2H-1-benzopyran-3-carboxamide
    —— 5-(bromomethyl)-4-chloro-2-fluorobenzenesulfonamide 1239963-46-2 C7H6BrClFNO2S
    5-(bromomethyl)-4-chloro-2-fluorobenzenesulfonamide
    —— 5-Bromo-3-[(Z)-4-(4-chloro-phenyl)-6-p-tolyl-pyrimidin-2-ylimino]-1,3-dihydro-indol-2-one 251983-28-5 C25H16BrClN4O
    5-Bromo-3-[(Z)-4-(4-chloro-phenyl)-6-p-tolyl-pyrimidin-2-ylimino]-1,3-dihydro-indol-2-one
    —— 5-(4'-trifluoromethyl-biphenyl-2-carbonylamino)-nicotinic acid 486437-01-8 C20H13F3N2O3
    5-(4'-trifluoromethyl-biphenyl-2-carbonylamino)-nicotinic acid
    —— 5-acetoxy-2,4-pentadienal 89639-86-1 C7H8O3
    5-acetoxy-2,4-pentadienal
    —— 5-[(2,2,2-trifluoro-acetylamino)methyl]furan-3-carboxylic acid methylamide 612512-18-2 C9H9F3N2O3
    5-[(2,2,2-trifluoro-acetylamino)methyl]furan-3-carboxylic acid methylamide
    —— 5-[(2,2,2-trifluoroacetylamino)methyl]-thiophene-3-carboxylic acid methylamide 612512-11-5 C9H9F3N2O2S
    5-[(2,2,2-trifluoroacetylamino)methyl]-thiophene-3-carboxylic acid methylamide
    —— 5-amino-N-(4-bromo-phenyl)-2-(2,2-difluoro-ethoxy)-benzamide 1294496-75-5 C15H13BrF2N2O2
    5-amino-N-(4-bromo-phenyl)-2-(2,2-difluoro-ethoxy)-benzamide
    —— 5-benzyl-(5aR,6aR,11bS,11cS)-bis(2-azidoethyl)-7-methyl-5,5a,6a,7-tetrahydrofuro[2,3-b:5,4-b']diindole 582315-15-9 C28H28N8O
    5-benzyl-(5aR,6aR,11bS,11cS)-bis(2-azidoethyl)-7-methyl-5,5a,6a,7-tetrahydrofuro[2,3-b:5,4-b']diindole
    —— (5S,6R,9S)-8-benzyl-5-isopropyl-5,6,8,9-tetrahydro-6,9-methanoimidazo[2,1-d][1,2,5]oxadiazepine 807618-06-0 C17H21N3O
    (5S,6R,9S)-8-benzyl-5-isopropyl-5,6,8,9-tetrahydro-6,9-methanoimidazo[2,1-d][1,2,5]oxadiazepine
    —— 5-[4-methyl-8-[(2-methyl-1H-indol-3-yl)methyl]-2-oxochromen-7-yl]oxy-5-oxopentanoic acid 1024743-64-3 C25H23NO6
    5-[4-methyl-8-[(2-methyl-1H-indol-3-yl)methyl]-2-oxochromen-7-yl]oxy-5-oxopentanoic acid
    —— 5-cyano-6-cyclohexyl-3-[(S)-3,4-dihydroxybutyl]uracil 569675-08-7 C15H21N3O4
    5-cyano-6-cyclohexyl-3-[(S)-3,4-dihydroxybutyl]uracil
    —— 5-methyl-pyrazine-2-carboxylic acid {3-[(1-methyl-1H-pyrazole-3-carbonyl)-amino]-adamantan-1-yl}-amide 1206456-85-0 C21H26N6O2
    5-methyl-pyrazine-2-carboxylic acid {3-[(1-methyl-1H-pyrazole-3-carbonyl)-amino]-adamantan-1-yl}-amide
    —— 5-methyl-[1,2]naphthoquinone 135467-66-2 C11H8O2
    5-methyl-[1,2]naphthoquinone
    —— 5-methylnaphthalen-1-yl furan-3-carboxylate 1159013-06-5 C16H12O3
    5-methylnaphthalen-1-yl furan-3-carboxylate
    —— 5-(2-methylpropanoyl)-2-oxo-6-propan-2-yl-1H-pyridine-3-carbonitrile 106551-64-8 C13H16N2O2
    5-(2-methylpropanoyl)-2-oxo-6-propan-2-yl-1H-pyridine-3-carbonitrile
    —— 5,8-dihydroxy-1,4-dimethyl-2(1H)quinolinone 157463-87-1 C11H11NO3
    5,8-dihydroxy-1,4-dimethyl-2(1H)quinolinone
    —— 5-cyano-6-cyclohexyl-{2-[(S)-2,2-dimethyl-1,3-dioxolan-4-yl]ethyl}uracil 569675-07-6 C18H25N3O4
    5-cyano-6-cyclohexyl-{2-[(S)-2,2-dimethyl-1,3-dioxolan-4-yl]ethyl}uracil
    —— 5-(4-methoxybenzoyl)-6-(4-methoxyphenyl)-2H-1,3-oxazine-2,4(3H)-dione 1058738-09-2 C19H15NO6
    5-(4-methoxybenzoyl)-6-(4-methoxyphenyl)-2H-1,3-oxazine-2,4(3H)-dione
    —— 5-Methoxy-2-methylimidazo<1,5-b>isoquinoline-1,3(2H,5H)-dione 141857-38-7 C13H12N2O3
    5-Methoxy-2-methylimidazo<1,5-b>isoquinoline-1,3(2H,5H)-dione
    —— 5-fluoro-3-hydroxy-3-(hydroxymethyl)-1-methylindolin-2-one 1598427-79-2 C10H10FNO3
    5-fluoro-3-hydroxy-3-(hydroxymethyl)-1-methylindolin-2-one
    —— (5Z)-2-(benzylsulfanyl)-3-tert-butoxycarbonyl-5-(4-methoxybenzylidene)-4,5-dihydro-1H-imidazol-4-one 1356003-61-6 C23H24N2O4S
    (5Z)-2-(benzylsulfanyl)-3-tert-butoxycarbonyl-5-(4-methoxybenzylidene)-4,5-dihydro-1H-imidazol-4-one
    —— 5-bromo-2-formylaminomethylthiazole 713107-44-9 C5H5BrN2OS
    5-bromo-2-formylaminomethylthiazole
    —— (5Z)-3-benzyloxycarbonyl-2-(benzylsulfanyl)-5-(4-methoxybenzylidene)-4,5-dihydro-1H-imidazol-4-one 1356003-62-7 C26H22N2O4S
    (5Z)-3-benzyloxycarbonyl-2-(benzylsulfanyl)-5-(4-methoxybenzylidene)-4,5-dihydro-1H-imidazol-4-one
    —— (5-tert-butylpyridin-2-yl)methanol 840526-99-0 C10H15NO
    (5-tert-butylpyridin-2-yl)methanol
    —— 5-t-Butylamino-p-menthen 56175-52-1 C14H27N
    5-t-Butylamino-p-menthen
    —— 5-tert-butylpyridine-2-carboxylic acid methyl ester 215436-29-6 C11H15NO2
    5-tert-butylpyridine-2-carboxylic acid methyl ester