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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5,6-dichloro-1-cyclopropyl-2-(pyridin-4-yl)-1H-benzimidazole 1356481-29-2 C15H11Cl2N3
    5,6-dichloro-1-cyclopropyl-2-(pyridin-4-yl)-1H-benzimidazole
    —— 5-Dimethylamino-1,2-oxazin-6-on 71109-24-5 C6H8N2O2
    5-Dimethylamino-1,2-oxazin-6-on
    —— 5-methylsulfanyl-8-[(5-methylsulfanylquinolin-8-yl)disulfanyl]quinoline 32435-55-5 C20H16N2S4
    5-methylsulfanyl-8-[(5-methylsulfanylquinolin-8-yl)disulfanyl]quinoline
    —— 5-[(E)-tert-Butylimino-methyl]-5-methyl-nonane-2,8-dione 70105-86-1 C15H27NO2
    5-[(E)-tert-Butylimino-methyl]-5-methyl-nonane-2,8-dione
    —— 5-Chlor-8-methyl-2,3-dihydro-1H-pyrrolo-<2,3-b>chinolin 71115-07-6 C12H11ClN2
    5-Chlor-8-methyl-2,3-dihydro-1H-pyrrolo-<2,3-b>chinolin
    —— 5-phenylsulfanylmethoxy-3,4-dihydro-pyrrol-2-one 70967-04-3 C11H11NO2S
    5-phenylsulfanylmethoxy-3,4-dihydro-pyrrol-2-one
    —— 5-furan-3-yl-5-hydroxy-3-oxo-pent-4-enoic acid ethyl ester 919198-36-0 C11H12O5
    5-furan-3-yl-5-hydroxy-3-oxo-pent-4-enoic acid ethyl ester
    —— 5-({2-[2-(2-methoxy-ethoxy)-ethoxy]-acetylamino}-methyl)thiophene-2-carboxylic acid (2-amino-phenyl)amide 709663-98-9 C19H25N3O5S
    5-({2-[2-(2-methoxy-ethoxy)-ethoxy]-acetylamino}-methyl)thiophene-2-carboxylic acid (2-amino-phenyl)amide
    —— 5-endo-(3-Dipropargylamino-propoxy)-1,2,3,3-tetramethyl-2-azabicyclo<2.2.2>octan 70704-99-3 C20H32N2O
    5-endo-(3-Dipropargylamino-propoxy)-1,2,3,3-tetramethyl-2-azabicyclo<2.2.2>octan
    —— 5'-O-(1,1-dianisyl-2,2,2-trichloroethyl)-3'-O-(N,N-diethylaminotrifluoromethylphosphine) thymidine 175601-08-8 C31H36Cl3F3N3O7P
    5'-O-(1,1-dianisyl-2,2,2-trichloroethyl)-3'-O-(N,N-diethylaminotrifluoromethylphosphine) thymidine
    —— 5β,14β-Pregnan-3β,14,20ξ,21-tetraol 26623-72-3 C21H36O4
    5β,14β-Pregnan-3β,14,20ξ,21-tetraol
    —— 5-[2-(1,3-dioxolan-2-yl)-vinyl] isoquinoline 885369-64-2 C14H13NO2
    5-[2-(1,3-dioxolan-2-yl)-vinyl] isoquinoline
    —— 5,7-Dibrom-1H-4.1.2-benzoxadiazin 25649-61-0 C7H4Br2N2O
    5,7-Dibrom-1H-4.1.2-benzoxadiazin
    —— 5,5'-difluoro-2',5'-dideoxy-cytidine 28440-30-4 C9H11F2N3O3
    5,5'-difluoro-2',5'-dideoxy-cytidine
    —— 5-bromo-2-[6-methyl-2-(2-nitro-phenyl)-quinazolin-4-ylamino]-benzoic acid methyl ester 30391-38-9 C23H17BrN4O4
    5-bromo-2-[6-methyl-2-(2-nitro-phenyl)-quinazolin-4-ylamino]-benzoic acid methyl ester
    —— 5-methyl-2-[7-methyl-2-(2-nitro-phenyl)-quinazolin-4-ylamino]-benzoic acid methyl ester 30563-96-3 C24H20N4O4
    5-methyl-2-[7-methyl-2-(2-nitro-phenyl)-quinazolin-4-ylamino]-benzoic acid methyl ester
    —— 5-benzylidene-1-methyl-3,3-diphenyl-pyrrolidin-2-one 28172-32-9 C24H21NO
    5-benzylidene-1-methyl-3,3-diphenyl-pyrrolidin-2-one
    —— (-)-5,6-dihydroxy-6-methylheptan-2-one 174599-43-0 C8H16O3
    (-)-5,6-dihydroxy-6-methylheptan-2-one
    —— 5-Phenylpropyl-indan 5371-43-7 C18H20
    5-Phenylpropyl-indan
    —— 5-fluoro-N-(4-{[4-(pyrazin-2-yl)piperazin-1-yl]carbonyl}phenyl)-1,3-dihydro-2H-isoindole-2-carboxamide 1375543-37-5 C24H23FN6O2
    5-fluoro-N-(4-{[4-(pyrazin-2-yl)piperazin-1-yl]carbonyl}phenyl)-1,3-dihydro-2H-isoindole-2-carboxamide
    —— 5-methylthiazolo[2,3-c][1,2,4]triazol-3(2H)-one 64040-59-1 C5H5N3OS
    5-methylthiazolo[2,3-c][1,2,4]triazol-3(2H)-one
    —— 5-(chloromethyl)-4-methyldihydrofuran-2(3H)-one 933460-77-6 C6H9ClO2
    5-(chloromethyl)-4-methyldihydrofuran-2(3H)-one
    —— (5E)-4-hydroxy-6-phenyl-1-phenylsulfonyl-hex-5-en-2-one 797752-48-8 C18H18O4S
    (5E)-4-hydroxy-6-phenyl-1-phenylsulfonyl-hex-5-en-2-one
    —— 5,5-bis-(4-fluoro-phenyl)-3-{3-[4-(2-fluoro-phenyl)-piperidin-1-yl]-2-hydroxy-propyl}-2-phenyl-3,5-dihydro-imidazol-4-one 721955-15-3 C35H32F3N3O2
    5,5-bis-(4-fluoro-phenyl)-3-{3-[4-(2-fluoro-phenyl)-piperidin-1-yl]-2-hydroxy-propyl}-2-phenyl-3,5-dihydro-imidazol-4-one
    —— 5'-deoxy-5'-[[(3S)-4-(tert-butoxy)-3-[[(1,1-dimethylethoxy)carbonyl]amino]-4-oxobutyl][[4-[2,3-bis(tert-butoxycarbonyl)]guanidinophenyl]methyl]amino]-2',3'-O-(1-methylethylidene)adenosine 1346627-84-6 C44H66N10O11
    5'-deoxy-5'-[[(3S)-4-(tert-butoxy)-3-[[(1,1-dimethylethoxy)carbonyl]amino]-4-oxobutyl][[4-[2,3-bis(tert-butoxycarbonyl)]guanidinophenyl]methyl]amino]-2',3'-O-(1-methylethylidene)adenosine
    —— 5-Cyclohexyl-4-fluoro-1-methyl-3-trifluoromethyl-1H-pyrazole 117482-45-8 C11H14F4N2
    5-Cyclohexyl-4-fluoro-1-methyl-3-trifluoromethyl-1H-pyrazole
    —— 5-{(hydroxy)[(4-methoxyphenyl)amino]methylidene}-2,2-dimethyl-1,3-dioxane-4,6-dione 1575466-03-3 C14H15NO6
    5-{(hydroxy)[(4-methoxyphenyl)amino]methylidene}-2,2-dimethyl-1,3-dioxane-4,6-dione
    —— 5-oxo-5-(pyrrolidin-1-yl)pentan-2-yl 4-methylbenzoate 1036648-33-5 C17H23NO3
    5-oxo-5-(pyrrolidin-1-yl)pentan-2-yl 4-methylbenzoate
    —— 5-butyl-8-ethyl-2-oxo-2H-chromene-3-carbonitrile 1449702-42-4 C16H17NO2
    5-butyl-8-ethyl-2-oxo-2H-chromene-3-carbonitrile
    —— 5-chloro-1-[(2R,3R,4R,5R)-3-[(E)-3-diethoxyphosphorylprop-2-enoxy]-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidine-2,4-dione 1572186-82-3 C16H24ClN2O9P
    5-chloro-1-[(2R,3R,4R,5R)-3-[(E)-3-diethoxyphosphorylprop-2-enoxy]-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidine-2,4-dione
    —— 5,6-Tetramethylen-1-(3-brompropyl)-uracil 67603-12-7 C11H15BrN2O2
    5,6-Tetramethylen-1-(3-brompropyl)-uracil
    —— 5-Ethyl-1-methoxycarbonylamino-2,4-dimethyl-1H-pyrrole-3-carboxylic acid ethyl ester 72652-55-2 C13H20N2O4
    5-Ethyl-1-methoxycarbonylamino-2,4-dimethyl-1H-pyrrole-3-carboxylic acid ethyl ester
    —— 5,6,7-Tribromo-2-iodomethyl-2,3-dihydro-benzofuran-4-carboxylic acid methyl ester 920752-17-6 C11H8Br3IO3
    5,6,7-Tribromo-2-iodomethyl-2,3-dihydro-benzofuran-4-carboxylic acid methyl ester
    —— 5-(2,3-Diaza-bicyclo[2.2.1]hept-2-en-7-ylidene)-pentanoic acid 871465-27-9 C10H14N2O2
    5-(2,3-Diaza-bicyclo[2.2.1]hept-2-en-7-ylidene)-pentanoic acid
    —— 5-(3,4-dimethoxy-phenyl)-3-(2-dimethylamino-ethyl)-1-ethyl-4-phenyl-3,4-dihydro-1<i>H</i>-pyrimidin-2-one 70498-76-9 C24H31N3O3
    5-(3,4-dimethoxy-phenyl)-3-(2-dimethylamino-ethyl)-1-ethyl-4-phenyl-3,4-dihydro-1<i>H</i>-pyrimidin-2-one
    —— 5-(7-(3-(benzyloxy)azetidine-1-carbonyl)-3-(4-chlorophenyl)quinoxalin-2-yl)pentanoic acid 1383697-29-7 C30H28ClN3O4
    5-(7-(3-(benzyloxy)azetidine-1-carbonyl)-3-(4-chlorophenyl)quinoxalin-2-yl)pentanoic acid
    —— 5-bromo-3-(5-methoxy-3-oxo-3H-benzo[b]thiophen-2-ylidene)-7-nitro-1,3-dihydro-indol-2-one 111090-58-5 C17H9BrN2O5S
    5-bromo-3-(5-methoxy-3-oxo-3H-benzo[b]thiophen-2-ylidene)-7-nitro-1,3-dihydro-indol-2-one
    —— 5,6,14,15,22,23-Hexamethyl-2,9,11,18,19,26-hexathia-1,10-diarsapentacyclo[8.8.8.24,7.213,16.221,24]dotriaconta-4,6,13,15,21,23,27,29,31-nonaene 1350742-56-1 C30H36As2S6
    5,6,14,15,22,23-Hexamethyl-2,9,11,18,19,26-hexathia-1,10-diarsapentacyclo[8.8.8.24,7.213,16.221,24]dotriaconta-4,6,13,15,21,23,27,29,31-nonaene
    —— (5S)-1-methyl-5-pyridin-3-ylpyrrolidin-2-ol 1009088-33-8 C10H14N2O
    (5S)-1-methyl-5-pyridin-3-ylpyrrolidin-2-ol
    —— 5-fluorescein-Lys-OH 1108750-99-7 C27H24N2O8
    5-fluorescein-Lys-OH
    —— 5-formyl-6-phenylamino-4-(phenylthio)pyrimidine 1012786-97-8 C17H13N3OS
    5-formyl-6-phenylamino-4-(phenylthio)pyrimidine
    —— 5-benzyl-7-{2-[4-(2-methoxy-phenyl)-piperazin-1-yl]-ethyl}-6-methyl-5<i>H</i>-[1,3]dioxolo[4,5-<i>f</i>]indole 17506-70-6 C30H33N3O3
    5-benzyl-7-{2-[4-(2-methoxy-phenyl)-piperazin-1-yl]-ethyl}-6-methyl-5<i>H</i>-[1,3]dioxolo[4,5-<i>f</i>]indole
    —— 5-((2Z,4E)-5-(diethylamino)-2-hydroxypenta-2,4-dien-1-ylidene)-1,3-dimethylpyrimidine-2,4,6(1H,3H,5H)-trione 1610950-19-0 C15H21N3O4
    5-((2Z,4E)-5-(diethylamino)-2-hydroxypenta-2,4-dien-1-ylidene)-1,3-dimethylpyrimidine-2,4,6(1H,3H,5H)-trione
    —— 5-Fluortoluol-2.4-disulfonamid 721-29-9 C7H9FN2O4S2
    5-Fluortoluol-2.4-disulfonamid
    —— {5-[5-O-(4,4'-dimethoxytrityl)-2-O-tert-butyldimethylsilyl-β-D-ribofuranosyl]methyltetrazol-2-yl}methyl 2,2-dimethylpropionate 1443776-72-4 C40H54N4O8Si
    {5-[5-O-(4,4'-dimethoxytrityl)-2-O-tert-butyldimethylsilyl-β-D-ribofuranosyl]methyltetrazol-2-yl}methyl 2,2-dimethylpropionate
    —— 5,6-dihydro-6-phenylbenzimidazo<1,2-c>benzo<h>quinazoline 117358-93-7 C24H17N3
    5,6-dihydro-6-phenylbenzimidazo<1,2-c>benzo<h>quinazoline
    —— 5-[bis-(3-methyl-pyridin-2-ylmethyl)-amino]-pentanoic acid methyl ester 780801-98-1 C20H27N3O2
    5-[bis-(3-methyl-pyridin-2-ylmethyl)-amino]-pentanoic acid methyl ester
    —— 5,6-Dicyan-2-trifluormethyl-benzimidazol 30048-91-0 C10H3F3N4
    5,6-Dicyan-2-trifluormethyl-benzimidazol
    —— 5-azido-3-[(2,4-dichlorophenoxy)methyl]-1-phenyl-1H-pyrazole-4-carbaldehyde 1095356-59-4 C17H11Cl2N5O2
    5-azido-3-[(2,4-dichlorophenoxy)methyl]-1-phenyl-1H-pyrazole-4-carbaldehyde
    —— 5-(2-Chloro-benzoylamino)-3-methyl-isothiazole-4-carboxylic acid cyclohexylamide 30740-85-3 C18H20ClN3O2S
    5-(2-Chloro-benzoylamino)-3-methyl-isothiazole-4-carboxylic acid cyclohexylamide