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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— (5S,6S,8S,9S,10R,13R,14S,16R)-10,13-Dimethyl-hexadecahydro-cyclopenta[a]phenanthrene-6,16-diol 26034-39-9 C19H32O2
    (5S,6S,8S,9S,10R,13R,14S,16R)-10,13-Dimethyl-hexadecahydro-cyclopenta[a]phenanthrene-6,16-diol
    —— 5-Fluoro-5-nitro-bicyclo[2.2.1]hept-2-ene 24394-33-0 C7H8FNO2
    5-Fluoro-5-nitro-bicyclo[2.2.1]hept-2-ene
    —— 5-bromo-5α-cholest-6β(1')-5'-methyltetrazole 123044-34-8 C29H49BrN4
    5-bromo-5α-cholest-6β(1')-5'-methyltetrazole
    —— 5-methoxy-3-methyl-4-morpholin-4-ylmethyl-benzofuran-2-carboxylic acid methyl ester 25094-07-9 C17H21NO5
    5-methoxy-3-methyl-4-morpholin-4-ylmethyl-benzofuran-2-carboxylic acid methyl ester
    —— 5α-Deutero-3β,6β-diacetoxy-cholestan 50630-12-1 C31H52O4
    5α-Deutero-3β,6β-diacetoxy-cholestan
    —— 5α-Brom-6β-fluor-3β-hydroxy-16-methylpregen-16-en-20-on 40129-24-6 C22H32BrFO2
    5α-Brom-6β-fluor-3β-hydroxy-16-methylpregen-16-en-20-on
    —— <5.4.2>Propella-9,12-dien 33800-89-4 C13H18
    <5.4.2>Propella-9,12-dien
    —— (5,5-dioxo-6,7-dihydro-5<i>H</i>-5λ<sup>6</sup>-thieno[3,2-<i>c</i>]pyridazin-3-yl)-dimethyl-amine 31777-35-2 C8H11N3O2S
    (5,5-dioxo-6,7-dihydro-5<i>H</i>-5λ<sup>6</sup>-thieno[3,2-<i>c</i>]pyridazin-3-yl)-dimethyl-amine
    —— 5,5-dimethoxy-2,4,4-trimethyl-pent-2-ene 19203-22-6 C10H20O2
    5,5-dimethoxy-2,4,4-trimethyl-pent-2-ene
    —— (5α,8α,9β,10α,13α,14β,17α,20S)-cholestan-3-one 1325206-96-9 C27H46O
    (5α,8α,9β,10α,13α,14β,17α,20S)-cholestan-3-one
    —— (5R,6S)-3-(2-Amino-ethylsulfanyl)-6-((R)-1-hydroxy-ethyl)-2-(1H-tetrazol-5-yl)-1-aza-bicyclo[3.2.0]hept-2-en-7-one 88670-10-4 C11H16N6O2S
    (5R,6S)-3-(2-Amino-ethylsulfanyl)-6-((R)-1-hydroxy-ethyl)-2-(1H-tetrazol-5-yl)-1-aza-bicyclo[3.2.0]hept-2-en-7-one
    —— 5-[(1S,3R)-3-(2-Methoxy-ethoxymethoxymethyl)-2,2,3-trimethyl-cyclopentyl]-pentanoic acid ethyl ester 163216-35-1 C20H38O5
    5-[(1S,3R)-3-(2-Methoxy-ethoxymethoxymethyl)-2,2,3-trimethyl-cyclopentyl]-pentanoic acid ethyl ester
    —— 5-{[1-(2-Chloro-5-methoxy-phenyl)-meth-(E)-ylidene]-amino}-1,2,3,4-tetrahydro-naphthalen-1-ol 41898-74-2 C18H18ClNO2
    5-{[1-(2-Chloro-5-methoxy-phenyl)-meth-(E)-ylidene]-amino}-1,2,3,4-tetrahydro-naphthalen-1-ol
    —— 5,17β-Dihydroxy-5α-androst-2-eno<2,3-d>isoxazol-4-on-17-acetat 28414-37-1 C22H29NO5
    5,17β-Dihydroxy-5α-androst-2-eno<2,3-d>isoxazol-4-on-17-acetat
    —— 5-Phenyl-3-(p-nitrophenyl)-2,4-dioxo-6,6-dimethyl-1,2,3,4,5,6-hexahydro-furo<2,3-d>pyrimidin 21863-99-0 C20H17N3O5
    5-Phenyl-3-(p-nitrophenyl)-2,4-dioxo-6,6-dimethyl-1,2,3,4,5,6-hexahydro-furo<2,3-d>pyrimidin
    —— 5-(6-chloro-5-(2-(4-methoxyphenyl)ethynyl)-1H-benzo[d]imidazol-2-yloxy)-2-methylphenylphosphonic acid 1224444-84-1 C23H18ClN2O5P
    5-(6-chloro-5-(2-(4-methoxyphenyl)ethynyl)-1H-benzo[d]imidazol-2-yloxy)-2-methylphenylphosphonic acid
    —— 5'-(2-chlorobenzylthio)-2',5'-dideoxy-5-ethyluridine 116316-48-4 C18H21ClN2O4S
    5'-(2-chlorobenzylthio)-2',5'-dideoxy-5-ethyluridine
    —— (5R)-p-nitrobenzyl-2-acetoxymethyl-2-penem-3-carboxylate 74742-68-0 C16H14N2O7S
    (5R)-p-nitrobenzyl-2-acetoxymethyl-2-penem-3-carboxylate
    —— 5-Acetoxy-4',7-dibenzyloxy-3',6-dimethoxy-flavon 40984-08-5 C33H28O8
    5-Acetoxy-4',7-dibenzyloxy-3',6-dimethoxy-flavon
    —— 5-Bromo-2-(4-bromo-3-methyl-phenyl)-4-chloromethyl-thiazole; compound with 1,3,5,7-tetraaza-tricyclo[3.3.1.1<sup>3,7</sup>]decane 42002-85-7 C6H12N4*C11H8Br2ClNS
    5-Bromo-2-(4-bromo-3-methyl-phenyl)-4-chloromethyl-thiazole; compound with 1,3,5,7-tetraaza-tricyclo[3.3.1.1<sup>3,7</sup>]decane
    —— 5-Bromo-4-chloromethyl-2-m-tolyl-thiazole; compound with 1,3,5,7-tetraaza-tricyclo[3.3.1.1<sup>3,7</sup>]decane 41963-27-3 C6H12N4*C11H9BrClNS
    5-Bromo-4-chloromethyl-2-m-tolyl-thiazole; compound with 1,3,5,7-tetraaza-tricyclo[3.3.1.1<sup>3,7</sup>]decane
    —— 5-[5-cyano-2-oxo-1,2-dihydro-indol-(3Z)-ylidenemethyl]-2,4-dimethyl-1H-pyrrole-3-carboxylic acid (2-methoxy-ethyl)-amide 1126899-88-4 C20H20N4O3
    5-[5-cyano-2-oxo-1,2-dihydro-indol-(3Z)-ylidenemethyl]-2,4-dimethyl-1H-pyrrole-3-carboxylic acid (2-methoxy-ethyl)-amide
    —— 5,10,15,20-tetrakis(2-bromo-5-methoxyphenyl)porphyrin 105728-91-4 C48H34Br4N4O4
    5,10,15,20-tetrakis(2-bromo-5-methoxyphenyl)porphyrin
    —— 5-Benzyl-3-(4-methyl-thiazol-2-yl)-1,5-dihydro-benzo[1,2,5]triazepin-4-one 35710-72-6 C19H16N4OS
    5-Benzyl-3-(4-methyl-thiazol-2-yl)-1,5-dihydro-benzo[1,2,5]triazepin-4-one
    —— 5-Allyl-2-cyclopropylmethyl-2'-methoxy-9-oxo-6,7-benzomorphan 71294-82-1 C20H25NO2
    5-Allyl-2-cyclopropylmethyl-2'-methoxy-9-oxo-6,7-benzomorphan
    —— 5-ethyl-1-methyl-5-piperidin-1-yl-2-thioxo-dihydro-pyrimidine-4,6-dione 3362-20-7 C12H19N3O2S
    5-ethyl-1-methyl-5-piperidin-1-yl-2-thioxo-dihydro-pyrimidine-4,6-dione
    —— 5,5'-dibutoxy-2,2'-[6-(2-methoxy-ethoxy)-[1,3,5]triazine-2,4-diyl]-bis-phenol 4686-57-1 C26H33N3O6
    5,5'-dibutoxy-2,2'-[6-(2-methoxy-ethoxy)-[1,3,5]triazine-2,4-diyl]-bis-phenol
    —— (5-Chloro-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)-dimethyl-amine 134790-81-1 C7H8ClN5
    (5-Chloro-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)-dimethyl-amine
    —— 5-(1-((tert-butyldimethylsilyl)oxy)vinyl)-3-fluoro-2-methylquinoxaline 1453798-89-4 C17H23FN2OSi
    5-(1-((tert-butyldimethylsilyl)oxy)vinyl)-3-fluoro-2-methylquinoxaline
    —— 5-methyl-11-(4-piperidin-1-yl-butyryl)-5,11-dihydro-benzo[<i>e</i>]pyrido[3,2-<i>b</i>][1,4]diazepin-6-one 69548-85-2 C22H26N4O2
    5-methyl-11-(4-piperidin-1-yl-butyryl)-5,11-dihydro-benzo[<i>e</i>]pyrido[3,2-<i>b</i>][1,4]diazepin-6-one
    —— 5-[2-(4-<i>p</i>-tolyl-piperazin-1-yl)-ethoxy]-3,4-dihydro-1<i>H</i>-quinolin-2-one 72723-07-0 C22H27N3O2
    5-[2-(4-<i>p</i>-tolyl-piperazin-1-yl)-ethoxy]-3,4-dihydro-1<i>H</i>-quinolin-2-one
    —— 5-Chloro-1-cyclopentyl-2-(4-methylpiperazin-1-yl)benzimidazole 155584-14-8 C17H23ClN4
    5-Chloro-1-cyclopentyl-2-(4-methylpiperazin-1-yl)benzimidazole
    —— 5-(7-chloro-furo[3,2-b]pyridin-2-yl)-2,3-dimethoxy-benzoic acid methyl ester 1360904-17-1 C17H14ClNO5
    5-(7-chloro-furo[3,2-b]pyridin-2-yl)-2,3-dimethoxy-benzoic acid methyl ester
    —— 5-trifluoromethyl-3'-chloro-2,3-dimethoxy-1,1'-biphenyl 1438806-87-1 C15H12ClF3O2
    5-trifluoromethyl-3'-chloro-2,3-dimethoxy-1,1'-biphenyl
    —— 5'-trimethylsilyl-3,4'-dimethyl-2,2'-dithiophene 182872-01-1 C13H18S2Si
    5'-trimethylsilyl-3,4'-dimethyl-2,2'-dithiophene
    —— 5,6-dichloro-2-thioxo-benzoimidazole-1,3-dicarboxylic acid diisopropyl ester 41435-35-2 C15H16Cl2N2O4S
    5,6-dichloro-2-thioxo-benzoimidazole-1,3-dicarboxylic acid diisopropyl ester
    —— 5-(3,3-dimethyl-ureido)-[1,2,3]thiadiazole-4-carboxylic acid <i>tert</i>-butylamide 40765-09-1 C10H17N5O2S
    5-(3,3-dimethyl-ureido)-[1,2,3]thiadiazole-4-carboxylic acid <i>tert</i>-butylamide
    —— 5-chloro-8-[4-chloro-6-(3,4-dichloro-phenyl)-[1,3,5]triazin-2-yloxy]-quinoline 14591-21-0 C18H8Cl4N4O
    5-chloro-8-[4-chloro-6-(3,4-dichloro-phenyl)-[1,3,5]triazin-2-yloxy]-quinoline
    —— 5-methyl-4-oxo-4,5-dihydro-1<i>H</i>-benzo[<i>c</i>][1,2,5]triazepine-3-carboxylic acid 2-diethylamino-ethylamide 33108-11-1 C16H23N5O2
    5-methyl-4-oxo-4,5-dihydro-1<i>H</i>-benzo[<i>c</i>][1,2,5]triazepine-3-carboxylic acid 2-diethylamino-ethylamide
    —— (5E,7R,8S,9R,10S,11Z,13Z,15S,16S)-16-((2E,4E)-6-((2R,3R,4R)-2-ethyl-4-hydroxy-3-methyl-6-oxotetrahydro-2H-pyran-4-yl)hexa-2,4-dien-2-yl)-10-hydroxy-8-(methoxymethoxy)-6,7,9,15-tetramethyloxacyclohexadeca-5,11,13-trien-2-one 1439376-74-5 C35H54O8
    (5E,7R,8S,9R,10S,11Z,13Z,15S,16S)-16-((2E,4E)-6-((2R,3R,4R)-2-ethyl-4-hydroxy-3-methyl-6-oxotetrahydro-2H-pyran-4-yl)hexa-2,4-dien-2-yl)-10-hydroxy-8-(methoxymethoxy)-6,7,9,15-tetramethyloxacyclohexadeca-5,11,13-trien-2-one
    —— 5-(4-chlorophenoxy)-3,4,5,6-tetrahydropyrimidine-2(1H)-thione 676167-22-9 C10H11ClN2OS
    5-(4-chlorophenoxy)-3,4,5,6-tetrahydropyrimidine-2(1H)-thione
    —— 5,5'-(4-methoxyphenylazanediyl)dipicolinaldehyde 1431639-68-7 C19H15N3O3
    5,5'-(4-methoxyphenylazanediyl)dipicolinaldehyde
    —— 5-Dibutylamino-2,2,4,4-tetramethyl-3-oxo-valeriansaeure-aethylester 3219-18-9 C19H37NO3
    5-Dibutylamino-2,2,4,4-tetramethyl-3-oxo-valeriansaeure-aethylester
    —— 5-(4-benzhydryl-piperazin-1-ylmethyl)-2-butyl-1-pentyl-1<i>H</i>-benzoimidazole 68741-23-1 C34H44N4
    5-(4-benzhydryl-piperazin-1-ylmethyl)-2-butyl-1-pentyl-1<i>H</i>-benzoimidazole
    —— 5-Butyl-3-(4-chloro-phenyl)-2-methyl-isoxazolidine 85978-37-6 C14H20ClNO
    5-Butyl-3-(4-chloro-phenyl)-2-methyl-isoxazolidine
    —— 5-(4-{1-[5-(3,4-dichloro-phenyl)-1,2,4-oxadiazol-3-yl]-cyclobutyl}-phenyl)pyrimidin-2-ylamine 1361186-88-0 C22H17Cl2N5O
    5-(4-{1-[5-(3,4-dichloro-phenyl)-1,2,4-oxadiazol-3-yl]-cyclobutyl}-phenyl)pyrimidin-2-ylamine
    —— 5-(3-Oxo-cyclohexyl)-pentane-2,3-dione 85029-43-2 C11H16O3
    5-(3-Oxo-cyclohexyl)-pentane-2,3-dione
    —— 5-(5-(((tert-butyldimethylsilyl)oxy)methyl)-3-ethylthiophen-2-yl)-2-(4-phenoxyphenyl)thiazole 1374354-82-1 C28H33NO2S2Si
    5-(5-(((tert-butyldimethylsilyl)oxy)methyl)-3-ethylthiophen-2-yl)-2-(4-phenoxyphenyl)thiazole
    —— 5-(2-Adamantan-1-yl-ethyl)-2-cycloheptyl-1H-imidazole-4-carboxylic acid 869997-33-1 C23H34N2O2
    5-(2-Adamantan-1-yl-ethyl)-2-cycloheptyl-1H-imidazole-4-carboxylic acid
    —— 5-(4-t-Butylbenzoyl)-4-oxo-4H-pyran-2-carboxylic acid 76512-32-8 C17H16O5
    5-(4-t-Butylbenzoyl)-4-oxo-4H-pyran-2-carboxylic acid