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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5α-Pregn-2-en-17α,21-diol-11,20-dion-17,21-diacetat 4004-78-8 C25H34O6
    5α-Pregn-2-en-17α,21-diol-11,20-dion-17,21-diacetat
    —— 5,8-Diacetoxy-6-methoxy-2,3-dimethyl-naphtho-1,4-chinon 95281-18-8 C17H16O7
    5,8-Diacetoxy-6-methoxy-2,3-dimethyl-naphtho-1,4-chinon
    —— 5,6-diethoxy-1,10-dimethoxy-deca-1,9-diene-3,7-diyne 94430-84-9 C16H22O4
    5,6-diethoxy-1,10-dimethoxy-deca-1,9-diene-3,7-diyne
    —— 5-(2-hydroxy-[1]naphthylazo)-isoindoline-1,3-dione 131013-66-6 C18H11N3O3
    5-(2-hydroxy-[1]naphthylazo)-isoindoline-1,3-dione
    —— 5-ethylamino-6-<i>m</i>-tolyloxy-pyrazine-2,3-dicarbonitrile 72114-04-6 C15H13N5O
    5-ethylamino-6-<i>m</i>-tolyloxy-pyrazine-2,3-dicarbonitrile
    —— 5-(3-fluorophenyl)-N-(3-methylbutyl)pyridine-3-carboxamide 947502-24-1 C17H19FN2O
    5-(3-fluorophenyl)-N-(3-methylbutyl)pyridine-3-carboxamide
    —— 5-anilino-1-methyl-3-nitropyrazole-4-carbonitrile 1105708-29-9 C11H9N5O2
    5-anilino-1-methyl-3-nitropyrazole-4-carbonitrile
    —— 5'-azido-3'-fluoro-2',3',5'-trideoxyuridine 129054-76-8 C9H10FN5O3
    5'-azido-3'-fluoro-2',3',5'-trideoxyuridine
    —— (5R,10S,13R,14R)-7-(tert-Butyl-dimethyl-silanyloxy)-14-hydroxy-13-methyl-1,17-dioxo-1,2,3,4,5,6,12,13,14,15,16,17-dodecahydro-cyclopenta[a]phenanthrene-10-carboxylic acid methyl ester 130993-63-4 C26H38O6Si
    (5R,10S,13R,14R)-7-(tert-Butyl-dimethyl-silanyloxy)-14-hydroxy-13-methyl-1,17-dioxo-1,2,3,4,5,6,12,13,14,15,16,17-dodecahydro-cyclopenta[a]phenanthrene-10-carboxylic acid methyl ester
    —— (5S,6S)-1-C-(5-exo-nitrobicyclo<2.2.1>hept-2-en-6-endo-yl)-D-galacto-pentitol 123050-39-5 C12H19NO7
    (5S,6S)-1-C-(5-exo-nitrobicyclo<2.2.1>hept-2-en-6-endo-yl)-D-galacto-pentitol
    —— (5Z,7E)-(1S,3R,20S,24aS)-24a-(oxazol-4-yl)-24a-homo-9,10-secochola-5,7,10(19)-triene-1,3,24a-triol 321911-98-2 C28H41NO4
    (5Z,7E)-(1S,3R,20S,24aS)-24a-(oxazol-4-yl)-24a-homo-9,10-secochola-5,7,10(19)-triene-1,3,24a-triol
    —— 5-ethoxy-1-[6-[2-[[2-[2-(2-hydroxyethoxy)ethyl]-5-methyl-3,4-dihydro-1H-isoquinolin-6-yl]methoxy]-3-methylphenyl]pyridin-2-yl]pyrazole-4-carboxylic acid 1579515-09-5 C33H38N4O6
    5-ethoxy-1-[6-[2-[[2-[2-(2-hydroxyethoxy)ethyl]-5-methyl-3,4-dihydro-1H-isoquinolin-6-yl]methoxy]-3-methylphenyl]pyridin-2-yl]pyrazole-4-carboxylic acid
    —— 5-(4-(azidomethyl)phenyl)-10,15,20-tritolylporphyrin zinc 1372135-67-5 C48H35N7Zn
    5-(4-(azidomethyl)phenyl)-10,15,20-tritolylporphyrin zinc
    —— 5-iodo-7-(3-thiomorpholin-4-yl-cyclobutyl)-7H-pyrrolo[2,3-d]pyrimidin-4-ylamine 1398924-59-8 C14H18IN5S
    5-iodo-7-(3-thiomorpholin-4-yl-cyclobutyl)-7H-pyrrolo[2,3-d]pyrimidin-4-ylamine
    —— 5.8-Diaethoxy-chinoxalin-2.3-dicarbonsaeure 100871-15-6 C14H14N2O6
    5.8-Diaethoxy-chinoxalin-2.3-dicarbonsaeure
    —— 5,7-Dinitro-1,1,3,4,4-pentamethyl-tetralin 135546-40-6 C15H20N2O4
    5,7-Dinitro-1,1,3,4,4-pentamethyl-tetralin
    —— 5-(2-chloro-benzylidene)-2-(4-methyl-benzylamino)-thiazol-4-one 81154-26-9 C18H15ClN2OS
    5-(2-chloro-benzylidene)-2-(4-methyl-benzylamino)-thiazol-4-one
    —— 5-(Methoxymethyl)-1,4-oxazepanehydrochloride 2287316-96-3 C7H16ClNO2
    5-(Methoxymethyl)-1,4-oxazepanehydrochloride
    —— (5-Methyl-5-triisopropylsilanyloxy-hexa-1,3-diynyl)-(4-trimethylsilanyl-but-3-ynyl)-carbamic acid methyl ester 852105-19-2 C25H43NO3Si2
    (5-Methyl-5-triisopropylsilanyloxy-hexa-1,3-diynyl)-(4-trimethylsilanyl-but-3-ynyl)-carbamic acid methyl ester
    —— 5-(2,4-bis((4-fluorophenyl)amino)pyrimidin-5-yl)-4-(2-(trifluoromethyl)phenyl)-4H-1,2,4-triazole-3-thiol 1268872-09-8 C25H16F5N7S
    5-(2,4-bis((4-fluorophenyl)amino)pyrimidin-5-yl)-4-(2-(trifluoromethyl)phenyl)-4H-1,2,4-triazole-3-thiol
    —— (5-dimethylaminomethyl-2,2-dimethyl-[1,3]dioxan-5-yl)-methanol 103645-69-8 C10H21NO3
    (5-dimethylaminomethyl-2,2-dimethyl-[1,3]dioxan-5-yl)-methanol
    —— 5-(3-dimethylaminoprop-2-en-1-oyl)-1-ethyl-2-methylimidazole 403792-75-6 C11H17N3O
    5-(3-dimethylaminoprop-2-en-1-oyl)-1-ethyl-2-methylimidazole
    —— 5-(N-Ethyl-benzimidoyloxy)-2-methylene-pentanoic acid methyl ester 127040-93-1 C16H21NO3
    5-(N-Ethyl-benzimidoyloxy)-2-methylene-pentanoic acid methyl ester
    —— 5-Amino-6-diaethylamino-4-methylamino-pyrimidin 4010-89-3 C9H17N5
    5-Amino-6-diaethylamino-4-methylamino-pyrimidin
    —— 5-(5-formylthien-2-yl)-10,15,20-tris(5-methylthien-2-yl)porphyrin zinc 1316308-91-4 C40H26N4OS4Zn
    5-(5-formylthien-2-yl)-10,15,20-tris(5-methylthien-2-yl)porphyrin zinc
    —— 5β-24,25-epoxycholesta-3,7-diol diacetate 944412-59-3 C31H50O5
    5β-24,25-epoxycholesta-3,7-diol diacetate
    —— 5-<1-Amino-2,6-dimethyl-pyridinyliden-(4)>-barbitursaeure 91141-51-4 C11H12N4O3
    5-<1-Amino-2,6-dimethyl-pyridinyliden-(4)>-barbitursaeure
    —— 5-Methoxycarbonyl-2,2':5',2''-terpyrrol 96432-14-3 C14H13N3O2
    5-Methoxycarbonyl-2,2':5',2''-terpyrrol
    —— 5.7-Dimethyl-11b.11c-bis-(2-dimethylamino-aethyl)-5.5a.6a.7.11b.11c-hexahydro-furo<2,3-b:5,4-b'>diindol 104836-67-1 C26H36N4O
    5.7-Dimethyl-11b.11c-bis-(2-dimethylamino-aethyl)-5.5a.6a.7.11b.11c-hexahydro-furo<2,3-b:5,4-b'>diindol
    —— 5-Oxo-longifolinsaeure-methylester 18319-50-1 C16H24O3
    5-Oxo-longifolinsaeure-methylester
    —— 5ξ,6ξ-epidioxy-5,6-secocholestane-3β,5ξ,6ξ-triol 81811-26-9 C27H48O5
    5ξ,6ξ-epidioxy-5,6-secocholestane-3β,5ξ,6ξ-triol
    —— 5-(5'-chloro-3,5-dimethyl-[2,4'-bipyridin]-2'-yl)-2-(1H-pyrazol-1-yl)-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine 1542266-28-3 C21H19ClN6S
    5-(5'-chloro-3,5-dimethyl-[2,4'-bipyridin]-2'-yl)-2-(1H-pyrazol-1-yl)-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine
    —— 5-amino-2,3,6-tri-O-benzyl-4,5-dideoxy-D-xylo-hexono-1,5-lactam 916495-04-0 C27H29NO4
    5-amino-2,3,6-tri-O-benzyl-4,5-dideoxy-D-xylo-hexono-1,5-lactam
    —— 5-ethyl-5-hydroxy-5H-chrysen-6-one oxime 102078-87-5 C20H17NO2
    5-ethyl-5-hydroxy-5H-chrysen-6-one oxime
    —— 5-(3'-methoxybiphenyl-3-yl)4,5-diihydrothieno[2,3-c]pyridin-7-amine: trifluoroacetate salt 937371-48-7 C2HF3O2*C20H18N2OS
    5-(3'-methoxybiphenyl-3-yl)4,5-diihydrothieno[2,3-c]pyridin-7-amine: trifluoroacetate salt
    —— 5-O-[6-(benzoylamino)hexyl]-myo-inositol 861893-29-0 C19H29NO7
    5-O-[6-(benzoylamino)hexyl]-myo-inositol
    —— 5-(4-cyano-3-fluoro-phenyl)-4-methyl-isoxazole-3-carboxylic acid 1557038-47-7 C12H7FN2O3
    5-(4-cyano-3-fluoro-phenyl)-4-methyl-isoxazole-3-carboxylic acid
    —— 5-Chloro-1,4-dimethyl-cyclopent-2-enol 35493-88-0 C7H11ClO
    5-Chloro-1,4-dimethyl-cyclopent-2-enol
    —— 5-tert-Butyl-3-phenyl-3H-[1,2,3]triazole-4-carbaldehyde 184292-80-6 C13H15N3O
    5-tert-Butyl-3-phenyl-3H-[1,2,3]triazole-4-carbaldehyde
    —— (5-Formyloxy-6-methoxy-2,3-dihydro-naphtho[1,2-b]furan-2-yl)-acetic acid methyl ester 96410-60-5 C17H16O6
    (5-Formyloxy-6-methoxy-2,3-dihydro-naphtho[1,2-b]furan-2-yl)-acetic acid methyl ester
    —— 5',5''-bis(4-hydroxy-2,6-dimethylphenyl)-2,2':6',2''-terpyridine 653566-98-4 C31H27N3O2
    5',5''-bis(4-hydroxy-2,6-dimethylphenyl)-2,2':6',2''-terpyridine
    —— 5α-cholestan-3β,6β-diol diacetate 3514-29-2 C31H52O4
    5α-cholestan-3β,6β-diol diacetate
    —— 5,6-dimethoxy-1-phenyl-1H-benzotriazole 855274-83-8 C14H13N3O2
    5,6-dimethoxy-1-phenyl-1H-benzotriazole
    —— 5-Hydroxymethyl-2,4'-dimethoxy-3'-methylbiphenyl 52200-57-4 C16H18O3
    5-Hydroxymethyl-2,4'-dimethoxy-3'-methylbiphenyl
    —— (5S,6S)-2,2,3,3,5,12,12,13,13-nonamethyl-4,11-dioxa-3,12-disilatetradecan-6-ol 1219619-05-2 C19H44O3Si2
    (5S,6S)-2,2,3,3,5,12,12,13,13-nonamethyl-4,11-dioxa-3,12-disilatetradecan-6-ol
    —— 5-((tert-butyldimethylsilyl)oxy)naphthalen-2-yl pivalate 1533457-69-0 C21H30O3Si
    5-((tert-butyldimethylsilyl)oxy)naphthalen-2-yl pivalate
    —— 5-Chloro-1-[[3-(trifluoromethyl)phenyl]methyl]indole-2-carboxylic acid 915701-07-4 C17H11ClF3NO2
    5-Chloro-1-[[3-(trifluoromethyl)phenyl]methyl]indole-2-carboxylic acid
    —— 5-[(1R,3r,5S)-3-({5-cyclopropyl-3-[2-(trifluoromethoxy)phenyl]-1,2-oxazol-4-yl}methoxy)-8-azabicyclo[3.2.1]octan-8-yl]pyrazine-2-carboxylic acid methyl ester 1383816-99-6 C27H27F3N4O5
    5-[(1R,3r,5S)-3-({5-cyclopropyl-3-[2-(trifluoromethoxy)phenyl]-1,2-oxazol-4-yl}methoxy)-8-azabicyclo[3.2.1]octan-8-yl]pyrazine-2-carboxylic acid methyl ester
    —— (5-methyl-2-(2H-1,2,3-triazol-2-yl)phenyl)((1S,6R)-3-(quinoxalin-2-yl)-3,8-diazabicyclo[4.2.0]octan-8-yl)methanone 1384121-33-8 C24H23N7O
    (5-methyl-2-(2H-1,2,3-triazol-2-yl)phenyl)((1S,6R)-3-(quinoxalin-2-yl)-3,8-diazabicyclo[4.2.0]octan-8-yl)methanone
    —— 5,6-Dihydro-4-hydroxy-6,6-dimethyl-2(1H)-pyridinthion 77747-72-9 C7H11NOS
    5,6-Dihydro-4-hydroxy-6,6-dimethyl-2(1H)-pyridinthion