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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5,5'-Dimethoxy-4,4'-dimethyl-3,4,3',4'-tetrahydro-[4,4']bichromenyl-2,2'-dione 30924-63-1 C22H22O6
    5,5'-Dimethoxy-4,4'-dimethyl-3,4,3',4'-tetrahydro-[4,4']bichromenyl-2,2'-dione
    —— 5-Chlor-(1-<sup>3</sup>H)naphthalin 2453-61-4 C10H7Cl
    5-Chlor-(1-<sup>3</sup>H)naphthalin
    —— 5-benzolsulfonylamino-3-methyl-2-p-tolyl-[1,3,4]thiadiazolium betaine 51127-94-7 C16H15N3O2S2
    5-benzolsulfonylamino-3-methyl-2-p-tolyl-[1,3,4]thiadiazolium betaine
    —— 5-(3,4-dichlorophenyl)pyrimido[5,4-c]quinolin-2-ylamine 1126078-32-7 C17H10Cl2N4
    5-(3,4-dichlorophenyl)pyrimido[5,4-c]quinolin-2-ylamine
    —— 5-methoxy-2,2,6,6-tetramethyl-6H-pyran-3-one 99181-86-9 C10H16O3
    5-methoxy-2,2,6,6-tetramethyl-6H-pyran-3-one
    —— 5-benzyloxy-3-(4-methyl-thiazol-2-yl)-1H-pyridin-2-one 216011-87-9 C16H14N2O2S
    5-benzyloxy-3-(4-methyl-thiazol-2-yl)-1H-pyridin-2-one
    —— 5,6-dihydro-5-hydroxy-1,3-dimethyluracil 25064-53-3 C6H10N2O3
    5,6-dihydro-5-hydroxy-1,3-dimethyluracil
    —— 5-(4-methylphenyl)-2-{1-(pyrimidin-2-yl)-1H-indol-2-yl}oxazole 1402228-05-0 C22H16N4O
    5-(4-methylphenyl)-2-{1-(pyrimidin-2-yl)-1H-indol-2-yl}oxazole
    —— 5-bromo-2,3-dihydro-2,2-dimethyl-7-(3-bromo-propoxy)-benzofuran 1089210-35-4 C13H16Br2O2
    5-bromo-2,3-dihydro-2,2-dimethyl-7-(3-bromo-propoxy)-benzofuran
    —— 5-hydroxy-5-methyl-indolo<1,2-b><2,7>naphthyridin-12-one 137664-25-6 C16H12N2O2
    5-hydroxy-5-methyl-indolo<1,2-b><2,7>naphthyridin-12-one
    —— 5-(4-carbamoylmethyl-3,5-dioxo-4,5-dihydro-3H-[1,2,4]triazin-2-yl)-2-chloro-N-(1-hydroxy-cyclohexylmethyl)-benzamide 724424-19-5 C19H22ClN5O5
    5-(4-carbamoylmethyl-3,5-dioxo-4,5-dihydro-3H-[1,2,4]triazin-2-yl)-2-chloro-N-(1-hydroxy-cyclohexylmethyl)-benzamide
    —— 5-hydroxy-2-[4-(4-trifluoromethylphenoxy)phenoxy]-3-hexanone N,N-dimethylhydrazone 93183-74-5 C21H25F3N2O3
    5-hydroxy-2-[4-(4-trifluoromethylphenoxy)phenoxy]-3-hexanone N,N-dimethylhydrazone
    —— 5-bromo-6-(bromomethyl) benzo[c]phenanthrene 1163120-45-3 C19H12Br2
    5-bromo-6-(bromomethyl) benzo[c]phenanthrene
    —— 5'-deoxy-5'-[(3S)-4-(tert-butoxy)-3-[[(1,1-dimethylethoxy)carbonyl]amino]-4-oxobutyl][(3-(tert-butoxycarbonyl)aminopropyl)amino]-2',3'-O-(1-methylethylidene)adenosine 1346627-83-5 C34H56N8O9
    5'-deoxy-5'-[(3S)-4-(tert-butoxy)-3-[[(1,1-dimethylethoxy)carbonyl]amino]-4-oxobutyl][(3-(tert-butoxycarbonyl)aminopropyl)amino]-2',3'-O-(1-methylethylidene)adenosine
    —— 5-aminomethyl-2-methyl-1H-indole-3-carboxylic acid benzyl ester, hydrochloride 459449-87-7 C18H18N2O2*ClH
    5-aminomethyl-2-methyl-1H-indole-3-carboxylic acid benzyl ester, hydrochloride
    —— 5-acetyl-8-nitro-1-phenyl-1,3,4,5-tetrahydro-benzo[<i>b</i>][1,4]diazepin-2-one 37040-23-6 C17H15N3O4
    5-acetyl-8-nitro-1-phenyl-1,3,4,5-tetrahydro-benzo[<i>b</i>][1,4]diazepin-2-one
    —— 5-(1H-pyrazolo[3,4-b]pyridin-3-yl)-1H-pyrrole-3-sulfonic acid benzylamide 658695-93-3 C17H15N5O2S
    5-(1H-pyrazolo[3,4-b]pyridin-3-yl)-1H-pyrrole-3-sulfonic acid benzylamide
    —— 5-benzo[1,3]dioxol-5-yl-3-(4-fluoro-anilinomethyl)-3<i>H</i>-[1,3,4]oxadiazole-2-thione 70705-13-4 C16H12FN3O3S
    5-benzo[1,3]dioxol-5-yl-3-(4-fluoro-anilinomethyl)-3<i>H</i>-[1,3,4]oxadiazole-2-thione
    —— 5'-O-(MMTr)-2'-deoxy-2'-phenylseleno-3'-O-(2-propynyl)uridine 133782-85-1 C38H34N2O6Se
    5'-O-(MMTr)-2'-deoxy-2'-phenylseleno-3'-O-(2-propynyl)uridine
    —— {5-(4-chloro-phenoxy)-1-(2-chloro-phenyl)-4-[(1,3-dimethyl-pentylamino)-methyl]-1H-pyrazol-3-yl}-pyrrolidin-1-yl-methanone 795304-92-6 C28H34Cl2N4O2
    {5-(4-chloro-phenoxy)-1-(2-chloro-phenyl)-4-[(1,3-dimethyl-pentylamino)-methyl]-1H-pyrazol-3-yl}-pyrrolidin-1-yl-methanone
    —— 5-hydroxyimino-octadecanoic acid 111864-06-3 C18H35NO3
    5-hydroxyimino-octadecanoic acid
    —— 5-[(diethylamino)methylene]-2-methyl-2,5,6,7-tetrahydro-4H-isoindol-4-one 1148040-75-8 C14H20N2O
    5-[(diethylamino)methylene]-2-methyl-2,5,6,7-tetrahydro-4H-isoindol-4-one
    —— 5S-Hydroxy-5-methyl-6R-(4-carboxyphenylthio)eicosa-7E,9E,11Z,14Z-tetraenoic Acid 134694-59-0 C28H38O5S
    5S-Hydroxy-5-methyl-6R-(4-carboxyphenylthio)eicosa-7E,9E,11Z,14Z-tetraenoic Acid
    —— 5-[4-(2-hydroxyethyl)piperazin-1-yl]indole-1-carboxylic acid tert-butyl ester 1381991-75-8 C19H27N3O3
    5-[4-(2-hydroxyethyl)piperazin-1-yl]indole-1-carboxylic acid tert-butyl ester
    —— 5-[4-(Difluoro-methanesulfonyl)-phenyl]-7-(4-nitro-phenyl)-1,4-diaza-bicyclo[4.1.0]hept-4-ene 140701-96-8 C18H15F2N3O4S
    5-[4-(Difluoro-methanesulfonyl)-phenyl]-7-(4-nitro-phenyl)-1,4-diaza-bicyclo[4.1.0]hept-4-ene
    —— 5-(5-nitro-furan-2-yl)-3-thiophen-2-yl-[1,2,4]oxadiazole 913830-10-1 C10H5N3O4S
    5-(5-nitro-furan-2-yl)-3-thiophen-2-yl-[1,2,4]oxadiazole
    —— 5-bromo-2-(tetrahydro-2H-pyran-4-yl)-1,2-dihydro-3H-benzo[e]isoindol-3-one 1569272-98-5 C17H16BrNO2
    5-bromo-2-(tetrahydro-2H-pyran-4-yl)-1,2-dihydro-3H-benzo[e]isoindol-3-one
    —— 5,6,7,8-tetrahydro-7-(3-phenylpropyl)-N-(quinolin-3-yl)pyrido[3,4-d]pyrimidin-4-amine 859826-60-1 C25H25N5
    5,6,7,8-tetrahydro-7-(3-phenylpropyl)-N-(quinolin-3-yl)pyrido[3,4-d]pyrimidin-4-amine
    —— 5-Ethyldisulfanylmethyl-4-hydroxymethyl-2-methyl-pyridin-3-ol 4943-97-9 C10H15NO2S2
    5-Ethyldisulfanylmethyl-4-hydroxymethyl-2-methyl-pyridin-3-ol
    —— (-)-(5R,8aS)-5-hexyl-7-(phenylsulfonyl)-1,2,3,5,8,8a-hexahydroindolizine 1380414-69-6 C20H29NO2S
    (-)-(5R,8aS)-5-hexyl-7-(phenylsulfonyl)-1,2,3,5,8,8a-hexahydroindolizine
    —— 5-<(benzyloxycarbonyl)amino>pentyl 6-O-benzoyl-2-O-(2-chloroacetoxymethyl)benzoyl-3,4-O-<1-(R)-(methoxycarbonyl)ethylidene>-β-D-galactopyranoside 161602-66-0 C40H44ClNO14
    5-<(benzyloxycarbonyl)amino>pentyl 6-O-benzoyl-2-O-(2-chloroacetoxymethyl)benzoyl-3,4-O-<1-(R)-(methoxycarbonyl)ethylidene>-β-D-galactopyranoside
    —— 5-(3-Methoxy-phenyl)-2-methyl-2-aza-bicyclo[3.3.1]nonan-9-one oxime 35190-78-4 C16H22N2O2
    5-(3-Methoxy-phenyl)-2-methyl-2-aza-bicyclo[3.3.1]nonan-9-one oxime
    —— 5,6-Dihydro-2-methyl-1-<2-(4-methylphenylsulfonamido)-ethyl>-4H-pyrrolo<3.2.1-i,j>chinolin 54282-80-3 C21H24N2O2S
    5,6-Dihydro-2-methyl-1-<2-(4-methylphenylsulfonamido)-ethyl>-4H-pyrrolo<3.2.1-i,j>chinolin
    —— 5-Imino-2-phenyl-5H-1-oxa-pyrene-4-carbonitrile 38159-00-1 C22H12N2O
    5-Imino-2-phenyl-5H-1-oxa-pyrene-4-carbonitrile
    —— 5-Chloro-2-formylamino-benzoic acid propyl ester 360795-65-9 C11H12ClNO3
    5-Chloro-2-formylamino-benzoic acid propyl ester
    —— 5-[(4-Tert-butyl-2,6-dimethylphenoxy)methyl]-3-(10-chloroanthracen-9-yl)-1,2-oxazole 1055197-70-0 C30H28ClNO2
    5-[(4-Tert-butyl-2,6-dimethylphenoxy)methyl]-3-(10-chloroanthracen-9-yl)-1,2-oxazole
    —— 5-methylsulfonyl-4-nitro-1-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)imidazole 179999-04-3 C30H25N3O11S
    5-methylsulfonyl-4-nitro-1-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)imidazole
    —— 5-Chlor-2-phthalimidophenyl-acatamido-benzophenon 4951-32-0 C29H19ClN2O4
    5-Chlor-2-phthalimidophenyl-acatamido-benzophenon
    —— 5,10-Dichlor-9,10-dihydro-1,9-dimethyl-3,7-diphenyl-1H-1,3,2λ<sup>5</sup>,4-diazadiphospheto<2,1-c:2,3-c'>bis(1,2,4,3λ<sup>5</sup>-triazaphosphol)-5-oxid 345976-85-4 C16H16Cl2N6OP2
    5,10-Dichlor-9,10-dihydro-1,9-dimethyl-3,7-diphenyl-1H-1,3,2λ<sup>5</sup>,4-diazadiphospheto<2,1-c:2,3-c'>bis(1,2,4,3λ<sup>5</sup>-triazaphosphol)-5-oxid
    —— 5-chloro-1-((3-fluoro-2-methylphenyl)amino)-N-isopropyl-N-methylisoquinolin-4-carboxamide 1446745-34-1 C21H21ClFN3O
    5-chloro-1-((3-fluoro-2-methylphenyl)amino)-N-isopropyl-N-methylisoquinolin-4-carboxamide
    —— 5-chloro-1-((3-chloro-2-methyl phenyl)amino)-N,N-diethylisoquinolin-4-carboxamide 1446744-74-6 C21H21Cl2N3O
    5-chloro-1-((3-chloro-2-methyl phenyl)amino)-N,N-diethylisoquinolin-4-carboxamide
    —— 5-chloro-1-((2-chloro-3-(trifluoromethyl)phenyl)amino)-N-isopropyl-N-methylisoquinolin-4-carboxamide 1446745-32-9 C21H18Cl2F3N3O
    5-chloro-1-((2-chloro-3-(trifluoromethyl)phenyl)amino)-N-isopropyl-N-methylisoquinolin-4-carboxamide
    —— 5-hydroxy-2-[(3-methoxybenzyl)sulfanyl]pyrimidin-4(3H)-one 1417817-14-1 C12H12N2O3S
    5-hydroxy-2-[(3-methoxybenzyl)sulfanyl]pyrimidin-4(3H)-one
    —— 5-(4-chloro-phenoxy)-4-cyclooctylaminomethyl-1-(2,4-dichloro-phenyl)-1H-pyrazole-3-carboxylic acid bicyclo[2.2.1]hept-2-ylamide 795304-54-0 C32H37Cl3N4O2
    5-(4-chloro-phenoxy)-4-cyclooctylaminomethyl-1-(2,4-dichloro-phenyl)-1H-pyrazole-3-carboxylic acid bicyclo[2.2.1]hept-2-ylamide
    —— 5-chloro-3-iodo-2-methyl-2H-indazole 1613515-58-4 C8H6ClIN2
    5-chloro-3-iodo-2-methyl-2H-indazole
    —— 5-benzhydryl-3-ethyl-2-phenyl-3,5-dihydro-imidazol-4-one 34925-88-7 C24H22N2O
    5-benzhydryl-3-ethyl-2-phenyl-3,5-dihydro-imidazol-4-one
    —— (5S,6R,7R)-7-Acetylamino-3-methyl-5,8-dioxo-4-prop-(Z)-ylidene-5λ<sup>4</sup>-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid 2,2,2-trichloro-ethyl ester 74584-17-1 C15H17Cl3N2O5S
    (5S,6R,7R)-7-Acetylamino-3-methyl-5,8-dioxo-4-prop-(Z)-ylidene-5λ<sup>4</sup>-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid 2,2,2-trichloro-ethyl ester
    —— [5-(4-Fluorophenyl)-3-methyl-2-nitroimidazol-4-yl]methyl-[[6-methoxy-7-prop-1-ynyl-3-(3,4,5-trimethoxybenzoyl)indazol-1-yl]methyl]-dimethylazanium;bromide 1092554-08-9 Br*C35H36FN6O7
    [5-(4-Fluorophenyl)-3-methyl-2-nitroimidazol-4-yl]methyl-[[6-methoxy-7-prop-1-ynyl-3-(3,4,5-trimethoxybenzoyl)indazol-1-yl]methyl]-dimethylazanium;bromide
    —— (5-Bromo-4,4,5,5-tetrafluoropent-2-enoxy)benzene 745018-03-5 C11H9BrF4O
    (5-Bromo-4,4,5,5-tetrafluoropent-2-enoxy)benzene
    —— 5,5'''''-diferrocenyl-3,3'',4''',3'''''-tetrahexyl-2,2':5',2'':5'',2''':5''',2'''':5'''',2'''''-sexithiophene 354810-24-5 C68H78Fe2S6
    5,5'''''-diferrocenyl-3,3'',4''',3'''''-tetrahexyl-2,2':5',2'':5'',2''':5''',2'''':5'''',2'''''-sexithiophene