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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5α-Pregnan-16α,20α-diol 889466-91-5 C21H36O2
    5α-Pregnan-16α,20α-diol
    —— 5-(4-Methoxy-3-nitro-phenyl)-1-(3,4,5-trimethoxy-phenyl)-1H-tetrazole 206649-19-6 C17H17N5O6
    5-(4-Methoxy-3-nitro-phenyl)-1-(3,4,5-trimethoxy-phenyl)-1H-tetrazole
    —— 5-Amino-3-(2-phenyl-1H-indol-3-yl)-isoxazole-4-carboxylic acid ethyl ester 95094-71-6 C20H17N3O3
    5-Amino-3-(2-phenyl-1H-indol-3-yl)-isoxazole-4-carboxylic acid ethyl ester
    —— (5aRS,11bRS)-1-tertbutyl-3,5a,6,11b-tetrahydro-5,5-dimethyl-3-phenyl-5H-<1>benzopyrano<4',3':4,5>pyrano<2,3-c>pyrazole 112296-66-9 C25H28N2O2
    (5aRS,11bRS)-1-tertbutyl-3,5a,6,11b-tetrahydro-5,5-dimethyl-3-phenyl-5H-<1>benzopyrano<4',3':4,5>pyrano<2,3-c>pyrazole
    —— 5-Hydroxy-5'-methyl-dipyrrylmethen-4,3'-diessigsaeure-3,4'-dipropionsaeure 10135-12-3 C20H22N2O9
    5-Hydroxy-5'-methyl-dipyrrylmethen-4,3'-diessigsaeure-3,4'-dipropionsaeure
    —— 5'-O-Acetyl-2',3'-O-isopropyliden-5-methyl-4-thiouridin 14795-35-8 C15H20N2O6S
    5'-O-Acetyl-2',3'-O-isopropyliden-5-methyl-4-thiouridin
    —— 5.5'-Dioxo-3.4.4'-trimethyl-3'-aethyl-2.3.4.5.1'5'-hexahydro-dipyrromethen-(2.2') 13129-01-6 C14H20N2O2
    5.5'-Dioxo-3.4.4'-trimethyl-3'-aethyl-2.3.4.5.1'5'-hexahydro-dipyrromethen-(2.2')
    —— 5-Aethyl-2-methyl-6-cyano-pyrazolo<1,5-a>pyrimidin-7(4H)-on 1870-93-5 C10H10N4O
    5-Aethyl-2-methyl-6-cyano-pyrazolo<1,5-a>pyrimidin-7(4H)-on
    —— 5-cyclopentyl-2-(2-fluorophenylamino)thiazol-4(5H)-one 870708-50-2 C14H15FN2OS
    5-cyclopentyl-2-(2-fluorophenylamino)thiazol-4(5H)-one
    —— 5-benzyloxy-2,3,4,9-tetrahydro-β-carbolin-1-one 56409-28-0 C18H16N2O2
    5-benzyloxy-2,3,4,9-tetrahydro-β-carbolin-1-one
    —— 5-butyl-N-(2-cyanoethyl)-3-methoxy-4-oxo-N-(pyridin-3-ylmethyl)-4,5-dihydrothieno[3,2-c]quinoline-2-carboxamide trifluoroacetate 1186235-83-5 C2HF3O2*C26H26N4O3S
    5-butyl-N-(2-cyanoethyl)-3-methoxy-4-oxo-N-(pyridin-3-ylmethyl)-4,5-dihydrothieno[3,2-c]quinoline-2-carboxamide trifluoroacetate
    —— 5-benzyl-4-(2,2-diethoxy-ethyl)-2,4-dihydro-[1,2,4]triazole-3-thione 66205-49-0 C15H21N3O2S
    5-benzyl-4-(2,2-diethoxy-ethyl)-2,4-dihydro-[1,2,4]triazole-3-thione
    —— 5-methyl-2-(2-propenyl)-4-hexenoic acid 54385-31-8 C10H16O2
    5-methyl-2-(2-propenyl)-4-hexenoic acid
    —— 5-amino-1-(2-hydroxy-2-methylpropyl)-2-propyl-1H-imidazole-4-carbonitrile 1535168-74-1 C11H18N4O
    5-amino-1-(2-hydroxy-2-methylpropyl)-2-propyl-1H-imidazole-4-carbonitrile
    —— (5S,8S,9S,10S,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-3-(3-methyl-but-3-en-1-ynyl)-4,5,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-cyclopenta[a]phenanthren-1-one 110890-66-9 C32H48O
    (5S,8S,9S,10S,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-3-(3-methyl-but-3-en-1-ynyl)-4,5,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-cyclopenta[a]phenanthren-1-one
    —— 5,5-dibromo-4-methyl-1-phenyl-4-pentenyl acetate 636599-06-9 C14H16Br2O2
    5,5-dibromo-4-methyl-1-phenyl-4-pentenyl acetate
    —— 5-cyclopropyl-6-[4-(dimethylamino)phenyl]-4-hydroxy-2-oxo-1,2-dihydropyridine-3-carboxylic acid 1426658-82-3 C17H18N2O4
    5-cyclopropyl-6-[4-(dimethylamino)phenyl]-4-hydroxy-2-oxo-1,2-dihydropyridine-3-carboxylic acid
    —— 5-ethyl-6-(4-methyl-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazin-7-yl)-2-oxo-1,2-dihydropyridine-3-carboxylic acid 1426524-36-8 C16H17N3O4
    5-ethyl-6-(4-methyl-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazin-7-yl)-2-oxo-1,2-dihydropyridine-3-carboxylic acid
    —— 5-cyano-2-(4-methylphenyl)-4-(methylthio)-1-[4-(methylthio)phenyl]-6-oxo-1,6-dihydropyrimidine 812692-03-8 C20H17N3OS2
    5-cyano-2-(4-methylphenyl)-4-(methylthio)-1-[4-(methylthio)phenyl]-6-oxo-1,6-dihydropyrimidine
    —— 5-Bromamyl-diethylzinnbromid 3590-87-2 C9H20Br2Sn
    5-Bromamyl-diethylzinnbromid
    —— 5-Chloracetamino-2-hydroxy-1-oxo-cycloheptatrien-(2.4.6) 18188-92-6 C9H8ClNO3
    5-Chloracetamino-2-hydroxy-1-oxo-cycloheptatrien-(2.4.6)
    —— 5-cyclopropyl-8-fluoro-2-phenylpyrazolo[5,1-a]isoquinoline 1400687-68-4 C20H15FN2
    5-cyclopropyl-8-fluoro-2-phenylpyrazolo[5,1-a]isoquinoline
    —— [5-Methyl-1-(2-trifluoromethylphenyl)-1H-pyrazole-4-carbonyl]guanidine hydrochloride 241799-24-6 C13H12F3N5O*ClH
    [5-Methyl-1-(2-trifluoromethylphenyl)-1H-pyrazole-4-carbonyl]guanidine hydrochloride
    —— 5-[2-(N-Methyl-N-benzylamino)ethyl]-3-(1-methylindol-3-yl)-1,2,4-oxadiazole 751452-47-8 C21H22N4O
    5-[2-(N-Methyl-N-benzylamino)ethyl]-3-(1-methylindol-3-yl)-1,2,4-oxadiazole
    —— 5-(2-Pyrrolyl)-valeriansaeure-methylester 42997-15-9 C10H15NO2
    5-(2-Pyrrolyl)-valeriansaeure-methylester
    —— 5-Hydroxy-3-methyl-2'-nitro-biphenyl-2,6-dicarboxylic acid 2-cyclohexyl ester 6-(2-dimethylamino-ethyl) ester 142549-75-5 C25H30N2O7
    5-Hydroxy-3-methyl-2'-nitro-biphenyl-2,6-dicarboxylic acid 2-cyclohexyl ester 6-(2-dimethylamino-ethyl) ester
    —— (5R)-5-Deoxy-5-C-<(R)-O-cyclo-ethylphosphinyl>-1,2-O-isopropylidene-6-O-(triphenylmethyl)-α-D-xylo-hexofuranose 84175-68-8 C30H33O6P
    (5R)-5-Deoxy-5-C-<(R)-O-cyclo-ethylphosphinyl>-1,2-O-isopropylidene-6-O-(triphenylmethyl)-α-D-xylo-hexofuranose
    —— 5'-O-acetyl-2',3'-O-bis[(tert-butyl)dimethylsilyl]-2-N-(4,4'-dimethoxytrityl)guanosine 497070-21-0 C45H61N5O8Si2
    5'-O-acetyl-2',3'-O-bis[(tert-butyl)dimethylsilyl]-2-N-(4,4'-dimethoxytrityl)guanosine
    —— [5-(2,5-difluorophenyl)spiro[1,3,4-thiadiazole-2,7'-5,6-dihydro-4H-1-benzothiophene]-3-yl]-piperidin-3-ylmethanone 1146208-60-7 C21H21F2N3OS2
    [5-(2,5-difluorophenyl)spiro[1,3,4-thiadiazole-2,7'-5,6-dihydro-4H-1-benzothiophene]-3-yl]-piperidin-3-ylmethanone
    —— 5-ethyl-4-thiouridine 148744-32-5 C11H16N2O5S
    5-ethyl-4-thiouridine
    —— 5-(tert-butoxycarbonylamino-methyl)-4-ethoxycarbonyl-2-methyl-oxazole 1030015-41-8 C13H20N2O5
    5-(tert-butoxycarbonylamino-methyl)-4-ethoxycarbonyl-2-methyl-oxazole
    —— 5,8-dimethoxy-1,2,3,4-tetrahydro-1<i>r</i>,4<i>c</i>-methano-naphthalene-2<i>c</i>,3<i>c</i>-diol 107150-79-8 C13H16O4
    5,8-dimethoxy-1,2,3,4-tetrahydro-1<i>r</i>,4<i>c</i>-methano-naphthalene-2<i>c</i>,3<i>c</i>-diol
    —— 5-fluoro-1-(3-(1-naphthyloxy)propyl)-3-(2-((3-(trifluoromethyl)phenoxy)methyl)phenyl)-1H-indole-2-carboxylic acid 1072900-73-2 C36H27F4NO4
    5-fluoro-1-(3-(1-naphthyloxy)propyl)-3-(2-((3-(trifluoromethyl)phenoxy)methyl)phenyl)-1H-indole-2-carboxylic acid
    —— 5-benzo[1,3]dioxol-5-yl-6-bromo-6,7-dihydro-5<i>H</i>-indeno[5,6-<i>d</i>][1,3]dioxole 38135-25-0 C17H13BrO4
    5-benzo[1,3]dioxol-5-yl-6-bromo-6,7-dihydro-5<i>H</i>-indeno[5,6-<i>d</i>][1,3]dioxole
    —— 5-(2-Benzyloxycarbonyl-3,4-dimethyl-pyrryl-5-carbonyl)-5'-<2-benzyloxycarbonyl-3-methyl-4-(β-methoxycarbonyl-ethyl)-pyrryl-5-methyl>-3-ethyl-3',4-dimethyl-4'-(β-methoxycarbonyl-ethyl)-pyrromethan-(2,2') 1807-93-8 C50H56N4O9
    5-(2-Benzyloxycarbonyl-3,4-dimethyl-pyrryl-5-carbonyl)-5'-<2-benzyloxycarbonyl-3-methyl-4-(β-methoxycarbonyl-ethyl)-pyrryl-5-methyl>-3-ethyl-3',4-dimethyl-4'-(β-methoxycarbonyl-ethyl)-pyrromethan-(2,2')
    —— 5-O-(α-Methoxy-isopropyl)-1,2:3,4-di-O-isopropyliden-α-L-sorbopyranose 18604-27-8 C16H28O7
    5-O-(α-Methoxy-isopropyl)-1,2:3,4-di-O-isopropyliden-α-L-sorbopyranose
    —— 5-isopropylidene-3,3,4,4-tetramethyl-dihydro-furan-2-one 1703-86-2 C11H18O2
    5-isopropylidene-3,3,4,4-tetramethyl-dihydro-furan-2-one
    —— 5-Chlor-1-(1-β-D-glucosyloxy)-pyridon-2 3496-53-5 C11H14ClNO6
    5-Chlor-1-(1-β-D-glucosyloxy)-pyridon-2
    —— 5-[(4-chloro-1H-pyrrolo[2,3-b]pyridin-3-yl)-phenyl-methyl]-2,2-dimethyl-[1,3]dioxane-4,6-dione 937796-63-9 C20H17ClN2O4
    5-[(4-chloro-1H-pyrrolo[2,3-b]pyridin-3-yl)-phenyl-methyl]-2,2-dimethyl-[1,3]dioxane-4,6-dione
    —— 5-[[2-(1-Methyl-1H-indol-3-yl)-ethyl]-(2,2,2-trifluoro-acetyl)-amino]-oxazole-2,4-dicarboxylic acid dimethyl ester 909708-51-6 C20H18F3N3O6
    5-[[2-(1-Methyl-1H-indol-3-yl)-ethyl]-(2,2,2-trifluoro-acetyl)-amino]-oxazole-2,4-dicarboxylic acid dimethyl ester
    —— 5-chloro-4,6-difluoro-2-{4-[4-(4-tetrazol-1-ylphenoxymethyl)thiazol-2-yl]piperidin-1-yl}pyrimidine 1037796-29-4 C20H17ClF2N8OS
    5-chloro-4,6-difluoro-2-{4-[4-(4-tetrazol-1-ylphenoxymethyl)thiazol-2-yl]piperidin-1-yl}pyrimidine
    —— (5S*,9S*)-5,9-dimethylthiazolo<5,4-f>morphan 87707-48-0 C11H16N2S
    (5S*,9S*)-5,9-dimethylthiazolo<5,4-f>morphan
    —— 5-ethoxalyl-5-ethoxycarbonyl-4,6-dimethyl-2-(p-nitrophenyl)-2,5-dihydro-1,2,3-triazine 132545-00-7 C18H20N4O7
    5-ethoxalyl-5-ethoxycarbonyl-4,6-dimethyl-2-(p-nitrophenyl)-2,5-dihydro-1,2,3-triazine
    —— 5-(methoxycarbonyl)-3-<(benzyloxy)carbonyl>-2,3,5-oxadiazabicyclo<2.2.2>oct-7ene 94936-55-7 C15H16N2O5
    5-(methoxycarbonyl)-3-<(benzyloxy)carbonyl>-2,3,5-oxadiazabicyclo<2.2.2>oct-7ene
    —— 5-Bromopentylmethacrylate 139883-17-3 C9H15BrO2
    5-Bromopentylmethacrylate
    —— 5-(N'-Cyclohexyl-N''-phenyl-guanidino)-1-phenyl-1H-[1,2,3]triazole-4-carboxylic acid ethyl ester 863786-37-2 C24H28N6O2
    5-(N'-Cyclohexyl-N''-phenyl-guanidino)-1-phenyl-1H-[1,2,3]triazole-4-carboxylic acid ethyl ester
    —— 5-methyl-1-phenyl-1,3-dihydro-2,1,3-benzothiadiazole 2,2-dioxide 1033225-30-7 C13H12N2O2S
    5-methyl-1-phenyl-1,3-dihydro-2,1,3-benzothiadiazole 2,2-dioxide
    —— 5-(4-(4-ethylbenzyloxy)benzylidene)-2-methylsulfanylthiazol-4-one 1187211-40-0 C20H19NO2S2
    5-(4-(4-ethylbenzyloxy)benzylidene)-2-methylsulfanylthiazol-4-one
    —— 5-Methyl-5-<2-(2,6,6-trimethyl-cyclohexen-1-yl)-aethylen>-hydantoin 6169-44-4 C15H22N2O2
    5-Methyl-5-<2-(2,6,6-trimethyl-cyclohexen-1-yl)-aethylen>-hydantoin
    —— 5-Methoxy-4-methoxycarbonyl-2-methyl-2H,3H-naphtho<1.8-b.c>pyran 1593-52-8 C16H16O4
    5-Methoxy-4-methoxycarbonyl-2-methyl-2H,3H-naphtho<1.8-b.c>pyran