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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-ethoxy-3-methyl-pent-1-yn-3-ol 90113-02-3 C8H14O2
    5-ethoxy-3-methyl-pent-1-yn-3-ol
    —— 5-Phenethyl-oxazole-4-carboxylic acid ethyl ester 113697-86-2 C14H15NO3
    5-Phenethyl-oxazole-4-carboxylic acid ethyl ester
    —— 5,8-dibromo-1,4-naphthoquinone 116632-12-3 C10H4Br2O2
    5,8-dibromo-1,4-naphthoquinone
    —— 5β-Hydroxy-3β-acetoxy-B-norandrostanon-(17) 104157-99-5 C20H30O4
    5β-Hydroxy-3β-acetoxy-B-norandrostanon-(17)
    —— 5-(2-chlorophenoxy)pentyl (((2R,3R,4R,5R)-3,4-diacetoxy-5-(3-carbamoylpyridin-1-ium-1-yl)tetrahydrofuran-2-yl)methyl) phosphate 1193377-83-1 C26H32ClN2O11P
    5-(2-chlorophenoxy)pentyl (((2R,3R,4R,5R)-3,4-diacetoxy-5-(3-carbamoylpyridin-1-ium-1-yl)tetrahydrofuran-2-yl)methyl) phosphate
    —— 5-[benzyl(methylsulfonyl)amino]-3-N-[(2S)-1-[[(2S)-1-(cyclopropylmethylamino)-1-oxopropan-2-yl]amino]-3-phenylpropan-2-yl]-1-N-(1-pyridin-3-ylethyl)benzene-1,3-dicarboxamide 925428-96-2 C39H46N6O5S
    5-[benzyl(methylsulfonyl)amino]-3-N-[(2S)-1-[[(2S)-1-(cyclopropylmethylamino)-1-oxopropan-2-yl]amino]-3-phenylpropan-2-yl]-1-N-(1-pyridin-3-ylethyl)benzene-1,3-dicarboxamide
    —— 5,5'-dihydroxy-2,2'-(3,6-dioxo-cyclohexa-1,4-diene-1,4-diyldiamino)-di-benzoic acid 856100-91-9 C20H14N2O8
    5,5'-dihydroxy-2,2'-(3,6-dioxo-cyclohexa-1,4-diene-1,4-diyldiamino)-di-benzoic acid
    —— {5-fluoro-3-[3-fluoro-2-(4-fluorobenzenesulfonyl)benzyl]-2-methylindol-1-yl}acetic acid 1161864-27-2 C24H18F3NO4S
    {5-fluoro-3-[3-fluoro-2-(4-fluorobenzenesulfonyl)benzyl]-2-methylindol-1-yl}acetic acid
    —— 5,7-diphenyl-3-iodopyrazolo[1,5-a]pyrimidine 802983-97-7 C18H12IN3
    5,7-diphenyl-3-iodopyrazolo[1,5-a]pyrimidine
    —— 5-[3-({4-[(2,2-difluorocyclopropyl)methyl]piperazin-1-yl}methyl)phenyl]-1-(2,2-dimethylpropyl)-3-methyl-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one 1352424-32-8 C27H35F2N5O
    5-[3-({4-[(2,2-difluorocyclopropyl)methyl]piperazin-1-yl}methyl)phenyl]-1-(2,2-dimethylpropyl)-3-methyl-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one
    —— 5-(1-ethoxyimino-propyl)-1-methyl-pyrimidine-2,4,6-trione 58712-98-4 C10H15N3O4
    5-(1-ethoxyimino-propyl)-1-methyl-pyrimidine-2,4,6-trione
    —— (5-cyano-4-oxo-4<i>H</i>-pyrimidin-1-yl)-carbamic acid 2-isopropoxy-ethyl ester 53131-76-3 C11H14N4O4
    (5-cyano-4-oxo-4<i>H</i>-pyrimidin-1-yl)-carbamic acid 2-isopropoxy-ethyl ester
    —— (5-benzyl-2H-thiophen-5-yl)-cyclohexylmethanone 79852-35-0 C18H22OS
    (5-benzyl-2H-thiophen-5-yl)-cyclohexylmethanone
    —— (+/-)-5-chloro-3-{[2-(phenoxymethyl)morpholin-4-yl]sulfonyl}-1H-indole-2-carboxamide 661467-97-6 C20H20ClN3O5S
    (+/-)-5-chloro-3-{[2-(phenoxymethyl)morpholin-4-yl]sulfonyl}-1H-indole-2-carboxamide
    —— 5-tert-butyl-5-phenyl-1,3-cyclohexadiene 130574-47-9 C16H20
    5-tert-butyl-5-phenyl-1,3-cyclohexadiene
    —— 5,6-Bis-dibromomethyl-benzoimidazole-1-carboxylic acid phenyl ester 90108-70-6 C16H10Br4N2O2
    5,6-Bis-dibromomethyl-benzoimidazole-1-carboxylic acid phenyl ester
    —— 5-(phenyl-8,9-dimethylbenzimidazo)[1,2-a]benzimidazole 1352820-94-0 C21H17N3
    5-(phenyl-8,9-dimethylbenzimidazo)[1,2-a]benzimidazole
    —— 5-bromo-3-(3,3,4,4,5,5-hexafluoro-2-(2-methyl-5-phenylthiophen-3-yl)cyclopent-1-enyl)-2-methylthiophene 1263304-46-6 C21H13BrF6S2
    5-bromo-3-(3,3,4,4,5,5-hexafluoro-2-(2-methyl-5-phenylthiophen-3-yl)cyclopent-1-enyl)-2-methylthiophene
    —— 5-[1-(3,4-dichlorophenyl)ethylideneaminooxymethyl]thiophene-2-carboxylic acid (2-aminophenyl)amide 773060-01-8 C20H17Cl2N3O2S
    5-[1-(3,4-dichlorophenyl)ethylideneaminooxymethyl]thiophene-2-carboxylic acid (2-aminophenyl)amide
    —— 5-cyano-1-(4-fluorophenyl)-4-(methylthio)-6-oxo-2-pyridin-2-yl-1,6-dihydropyrimidine 812692-12-9 C17H11FN4OS
    5-cyano-1-(4-fluorophenyl)-4-(methylthio)-6-oxo-2-pyridin-2-yl-1,6-dihydropyrimidine
    —— 5-cyano-4-(methylthio)-1-[4-(methylthio)phenyl]-6-oxo-2-pyridin-4-yl-1,6-dihydropyrimidine 812692-11-8 C18H14N4OS2
    5-cyano-4-(methylthio)-1-[4-(methylthio)phenyl]-6-oxo-2-pyridin-4-yl-1,6-dihydropyrimidine
    —— 5-chloro-2',6'-bis(methoxymethoxy)biphenyl-2-carboxaldehyde 1426547-55-8 C17H17ClO5
    5-chloro-2',6'-bis(methoxymethoxy)biphenyl-2-carboxaldehyde
    —— 5-allyl-3-phenethyl-[1,3,5]thiadiazinane-2-thione 26324-17-4 C14H18N2S2
    5-allyl-3-phenethyl-[1,3,5]thiadiazinane-2-thione
    —— (5S,10S,13S,14S)-14-Hydroxy-10,13-dimethyl-dodecahydro-cyclopenta[a]phenanthrene-3,12,17-trione 1929-49-3 C19H26O4
    (5S,10S,13S,14S)-14-Hydroxy-10,13-dimethyl-dodecahydro-cyclopenta[a]phenanthrene-3,12,17-trione
    —— 5-phenyl-6<i>H</i>-fluorantheno[2,3-<i>d</i>][1,2,3]triazole 2693-45-0 C22H13N3
    5-phenyl-6<i>H</i>-fluorantheno[2,3-<i>d</i>][1,2,3]triazole
    —— 5<i>H</i>,5'<i>H</i>-6,6'-(<i>p</i>-phenylenediimino-dimethyl)-bis-benzo[4,5]imidazo[1,2-<i>b</i>]isoquinolin-11-one 25771-00-0 C38H24N6O2
    5<i>H</i>,5'<i>H</i>-6,6'-(<i>p</i>-phenylenediimino-dimethyl)-bis-benzo[4,5]imidazo[1,2-<i>b</i>]isoquinolin-11-one
    —— (5-bromo-6-iodo-2-naphthyl)methanol 1042170-53-5 C11H8BrIO
    (5-bromo-6-iodo-2-naphthyl)methanol
    —— 5-methylthio-6-oxo-6H-indeno<2,1-e>-s-triazolo<1,5-a>pyrimidine 98190-32-0 C13H8N4OS
    5-methylthio-6-oxo-6H-indeno<2,1-e>-s-triazolo<1,5-a>pyrimidine
    —— 5,9,9-trimethoxy-3-methyl-2,4-trimethylene-2,6-nonadienal 87034-15-9 C16H26O4
    5,9,9-trimethoxy-3-methyl-2,4-trimethylene-2,6-nonadienal
    —— 5,5'-dihydroxy-4,4'-dimethoxy-7,7'-dimethyl-2,2'-binaphthyl-1,1'-diyl diacetate 103433-41-6 C28H26O8
    5,5'-dihydroxy-4,4'-dimethoxy-7,7'-dimethyl-2,2'-binaphthyl-1,1'-diyl diacetate
    —— 5-<i>sec</i>-butyl-5-cyclopropylmethyl-pyrimidine-2,4,6-trione 17560-65-5 C12H18N2O3
    5-<i>sec</i>-butyl-5-cyclopropylmethyl-pyrimidine-2,4,6-trione
    —— 5-hydroxytetracyclo<3.3.0.0<sup>2,4</sup>.0<sup>3,6</sup>>oct-7-ene 82478-47-5 C8H8O
    5-hydroxytetracyclo<3.3.0.0<sup>2,4</sup>.0<sup>3,6</sup>>oct-7-ene
    —— 5-(2,6-Dimethoxyphenyl)-1-{4-[N-methyl-N-(2-(N',N'-dimethylamino)ethyl)aminosulphonyl]-5,6,7,8-tetrahydro-1-naphthyl}-3-pyrazolecarboxylic acid potassium salt 184164-68-9 C27H33N4O6S*K
    5-(2,6-Dimethoxyphenyl)-1-{4-[N-methyl-N-(2-(N',N'-dimethylamino)ethyl)aminosulphonyl]-5,6,7,8-tetrahydro-1-naphthyl}-3-pyrazolecarboxylic acid potassium salt
    —— 5-methyl-2-morpholin-4-ylmethyl-benzofuran-3-ol 62877-47-8 C14H17NO3
    5-methyl-2-morpholin-4-ylmethyl-benzofuran-3-ol
    —— (5-[(ethylamino)carbonyl]-3-fluoro-2-methylphenyl)boronic acid 861905-39-7 C10H13BFNO3
    (5-[(ethylamino)carbonyl]-3-fluoro-2-methylphenyl)boronic acid
    —— (5S,6R)-6-(tert-butyldimethylsilanyloxy)-5-[(R)-1-(tert-butyldimethylsilanyloxy)allyl]oct-8-yn-1-ol 393165-45-2 C24H48O3Si2
    (5S,6R)-6-(tert-butyldimethylsilanyloxy)-5-[(R)-1-(tert-butyldimethylsilanyloxy)allyl]oct-8-yn-1-ol
    —— 5-(4-chloro-phenylamino)-3-(3,5-dimethyl-pyrazol-1-yl)-pyrazine-2-carbaldehyde 1133083-47-2 C16H14ClN5O
    5-(4-chloro-phenylamino)-3-(3,5-dimethyl-pyrazol-1-yl)-pyrazine-2-carbaldehyde
    —— 5H,6H,7H-cyclopenta[b]pyrazine-6-carboxylic acid 1367948-67-1 C8H8N2O2
    5H,6H,7H-cyclopenta[b]pyrazine-6-carboxylic acid
    —— 5-fluoro-2-(1-piperazinyl)-4-morpholino-6-(1,2,3,4-tetrahydro-1H-quinolin-1-yl)pyrimidine 1190067-00-5 C21H27FN6O
    5-fluoro-2-(1-piperazinyl)-4-morpholino-6-(1,2,3,4-tetrahydro-1H-quinolin-1-yl)pyrimidine
    —— 5-butyl-3-methoxy-N-methyl-N-(1-methylpyrrolidin-3-yl)-4-oxo-4,5-dihydrothieno[3,2-c]quinoline-2-carboxamide trifluoroacetate 1186235-69-7 C2HF3O2*C23H29N3O3S
    5-butyl-3-methoxy-N-methyl-N-(1-methylpyrrolidin-3-yl)-4-oxo-4,5-dihydrothieno[3,2-c]quinoline-2-carboxamide trifluoroacetate
    —— [5-chloro-2-(5-methoxy-1H-indol-3-ylsulfanyl)-benzyl]-methyl-amine 857499-22-0 C17H17ClN2OS
    [5-chloro-2-(5-methoxy-1H-indol-3-ylsulfanyl)-benzyl]-methyl-amine
    —— 5,5'-Dinitro-2,2'-bis-<5-iod-1-oxo-1,2-dihydroisochinolyl-(2)>-azoxybenzol 1721-97-7 C30H16I2N6O7
    5,5'-Dinitro-2,2'-bis-<5-iod-1-oxo-1,2-dihydroisochinolyl-(2)>-azoxybenzol
    —— 5-phenyl-hexa-2t,4ξ-dienoic acid ethyl ester 1110610-35-9 C14H16O2
    5-phenyl-hexa-2t,4ξ-dienoic acid ethyl ester
    —— 5-bromo-5,6,7,8-tetrahydrocyclohepta<b>furan-4-one 75729-27-0 C9H9BrO2
    5-bromo-5,6,7,8-tetrahydrocyclohepta<b>furan-4-one
    —— 5-{2-methylsulfanyl-6-[2-(1-phenyl-ethylamino)-pyridin-4-yl]-pyrimidin-4-yl}-2,5-diaza-bicyclo[2.2.1]heptane-2-carboxylic acid tert-butyl ester 861417-67-6 C28H34N6O2S
    5-{2-methylsulfanyl-6-[2-(1-phenyl-ethylamino)-pyridin-4-yl]-pyrimidin-4-yl}-2,5-diaza-bicyclo[2.2.1]heptane-2-carboxylic acid tert-butyl ester
    —— 5,6-dimethyl-1-(3-nitrobenzyl)-2-(trifluoroacetyl)-1H-benzo[d]imidazole 1217436-80-0 C18H14F3N3O3
    5,6-dimethyl-1-(3-nitrobenzyl)-2-(trifluoroacetyl)-1H-benzo[d]imidazole
    —— 5-(dipropylamino)-4-[(4-fluorobenzoyl)amino]-5-oxopentanoic acid 103813-28-1 C18H25FN2O4
    5-(dipropylamino)-4-[(4-fluorobenzoyl)amino]-5-oxopentanoic acid
    —— 5,17-N,N'-bis(salicylidene)-25,26,27,28-tetrahydroxy-5,17-diamino-11,23-dinitrocalix(4)arene 443919-12-8 C42H32N4O10
    5,17-N,N'-bis(salicylidene)-25,26,27,28-tetrahydroxy-5,17-diamino-11,23-dinitrocalix(4)arene
    —— 5-Acetyl-2-allylsulfanyl-4-(4-chloro-phenyl)-6-methyl-1,4-dihydro-pyridine-3-carbonitrile 132351-35-0 C18H17ClN2OS
    5-Acetyl-2-allylsulfanyl-4-(4-chloro-phenyl)-6-methyl-1,4-dihydro-pyridine-3-carbonitrile
    —— 5-(3-(4-(1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)-1,4-diazepan-1-yl)propyl)-10,11-dihydro-5H-dibenzo[b,f]azepine-3-carboxylic acid methyl ester 943781-23-5 C30H37N5O4
    5-(3-(4-(1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)-1,4-diazepan-1-yl)propyl)-10,11-dihydro-5H-dibenzo[b,f]azepine-3-carboxylic acid methyl ester