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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— (5,6-dimethoxy-1<i>H</i>-benzimidazol-2-yl)-methanol 103150-75-0 C10H12N2O3
    (5,6-dimethoxy-1<i>H</i>-benzimidazol-2-yl)-methanol
    —— 5-acetyl-acenaphthene-1,2-dione 856351-26-3 C14H8O3
    5-acetyl-acenaphthene-1,2-dione
    —— 5,5-Dimethyl-3-heptanoyloxy-2-cyclohexenon 69629-40-9 C15H24O3
    5,5-Dimethyl-3-heptanoyloxy-2-cyclohexenon
    —— 5-Carboxy-4,4-dimethyl-8-oxo-nonansaeure 91882-83-6 C12H20O5
    5-Carboxy-4,4-dimethyl-8-oxo-nonansaeure
    —— 5-(4-acetyl-1,4-diazepan-1-yl)-N-[5-[4-(trifluoromethyl)phenyl]-1H-pyrazol-3-yl]pentanamide 1040719-31-0 C22H28F3N5O2
    5-(4-acetyl-1,4-diazepan-1-yl)-N-[5-[4-(trifluoromethyl)phenyl]-1H-pyrazol-3-yl]pentanamide
    —— 5-fluoro-2-{4-[({6-[4-(methylsulfonyl)phenyl]-3-pyridinyl}oxy)methyl]-1-piperidinyl}pyrimidine 1032824-36-4 C22H23FN4O3S
    5-fluoro-2-{4-[({6-[4-(methylsulfonyl)phenyl]-3-pyridinyl}oxy)methyl]-1-piperidinyl}pyrimidine
    —— 5-{4,6-bis[(<sup>2</sup>H<sub>3</sub>)methyl](<sup>2</sup>H)pyrimidin-2-yl}hexahydropyrrolo[3,4-c]pyrrole 1293286-00-6 C12H18N4
    5-{4,6-bis[(<sup>2</sup>H<sub>3</sub>)methyl](<sup>2</sup>H)pyrimidin-2-yl}hexahydropyrrolo[3,4-c]pyrrole
    —— (5E,9E)-6,10,14-trimethyl-3-tosylpentadeca-5,9,13-trien-2-one 80868-09-3 C25H36O3S
    (5E,9E)-6,10,14-trimethyl-3-tosylpentadeca-5,9,13-trien-2-one
    —— 5β-Cholest-8-ene-3β,5β-diol 209850-41-9 C27H46O2
    5β-Cholest-8-ene-3β,5β-diol
    —— 5-fluoro-N-[4-methyl-3-[(4-pyridin-3-ylpyrimidin-2-yl)amino]phenyl]pyridine-3-carboxamide 1025714-24-2 C22H17FN6O
    5-fluoro-N-[4-methyl-3-[(4-pyridin-3-ylpyrimidin-2-yl)amino]phenyl]pyridine-3-carboxamide
    —— 5-ethyl-3-(4-methylsulfanyl-<i>trans</i>-styryl)-[1,2,4]oxadiazole 36166-24-2 C13H14N2OS
    5-ethyl-3-(4-methylsulfanyl-<i>trans</i>-styryl)-[1,2,4]oxadiazole
    —— 5-[4-(2-benzofuran-2-yl-vinyl)-phenyl]-3-methyl-[1,2,4]oxadiazole 65695-02-5 C19H14N2O2
    5-[4-(2-benzofuran-2-yl-vinyl)-phenyl]-3-methyl-[1,2,4]oxadiazole
    —— (5R,6S,7S,8S)-6,7-bis(benzyloxy)-5-benzyloxymethyl-8-(t-butyldimethylsilyloxy)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridine 169134-62-7 C35H44N2O4Si
    (5R,6S,7S,8S)-6,7-bis(benzyloxy)-5-benzyloxymethyl-8-(t-butyldimethylsilyloxy)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridine
    —— 5-(3-Hydroxybutyl)-6-oxo-7,8,9,10-tetrahydrobenzo[8]annulene-5-carbonitrile 127299-42-7 C17H21NO2
    5-(3-Hydroxybutyl)-6-oxo-7,8,9,10-tetrahydrobenzo[8]annulene-5-carbonitrile
    —— (5R)-3-(2-Benzylthio-benzo[4,5-d]thiazol-6-yl)-5-butyryloxy-methyl-oxazolidin-2-one 176491-71-7 C22H22N2O4S2
    (5R)-3-(2-Benzylthio-benzo[4,5-d]thiazol-6-yl)-5-butyryloxy-methyl-oxazolidin-2-one
    —— 5-Hydroxy-4-methyl-2-trifluoromethyl-pentanoic acid benzyl ester 1027388-65-3 C14H17F3O3
    5-Hydroxy-4-methyl-2-trifluoromethyl-pentanoic acid benzyl ester
    —— 5-sec-Butyl-4-hydroxy-isophthalonitrile 31910-89-1 C12H12N2O
    5-sec-Butyl-4-hydroxy-isophthalonitrile
    —— 5-[4-(5-fluoro-2-hydroxyphenyl)-1,3-oxazol-2-yl]pentanoic acid 847265-41-2 C14H14FNO4
    5-[4-(5-fluoro-2-hydroxyphenyl)-1,3-oxazol-2-yl]pentanoic acid
    —— (5R,6R,7aS)-methyl hexahydro-7a-methyl-5-(naphthalen-2-yl)-1-oxo-3-thioxo-1H-pyrrolo[1,2-c]imidazole-6-carboxylate 1349083-31-3 C19H18N2O3S
    (5R,6R,7aS)-methyl hexahydro-7a-methyl-5-(naphthalen-2-yl)-1-oxo-3-thioxo-1H-pyrrolo[1,2-c]imidazole-6-carboxylate
    —— 5-(Chloromethyl)-4-ethyl-2-(4-fluorophenyl)thiazole 1206976-89-7 C12H11ClFNS
    5-(Chloromethyl)-4-ethyl-2-(4-fluorophenyl)thiazole
    —— [5-(6-Amino-purin-9-yl)-pentyloxymethyl]-phosphonic acid diethyl ester 121149-88-0 C15H26N5O4P
    [5-(6-Amino-purin-9-yl)-pentyloxymethyl]-phosphonic acid diethyl ester
    —— 5-methoxycarbonyl-2-phenyl-1,2,5,6-tetrahydropyridine 121743-50-8 C13H15NO2
    5-methoxycarbonyl-2-phenyl-1,2,5,6-tetrahydropyridine
    —— 5-Oxo-2,4-dimethyl-6,7-dihydro-5H-1-pyrindin 28566-15-6 C10H11NO
    5-Oxo-2,4-dimethyl-6,7-dihydro-5H-1-pyrindin
    —— 5-Dimethylamino-4-carbethoxy-2-(4'-fluorphenyl)-imidazol 36134-02-8 C14H16FN3O2
    5-Dimethylamino-4-carbethoxy-2-(4'-fluorphenyl)-imidazol
    —— 5-[1-(3-Chloro-phenyl)-meth-(Z)-ylidene]-4-[(E)-phenylimino]-thiazolidin-2-one 37859-13-5 C16H11ClN2OS
    5-[1-(3-Chloro-phenyl)-meth-(Z)-ylidene]-4-[(E)-phenylimino]-thiazolidin-2-one
    —— 5-bromo-5'-[2-(2,6-dichlorophenyl)acetamido]-2',5'-dideoxyuridine 119423-49-3 C17H16BrCl2N3O5
    5-bromo-5'-[2-(2,6-dichlorophenyl)acetamido]-2',5'-dideoxyuridine
    —— 5-bromo-1,1,1,3,4-pentachloro-pentane 89322-52-1 C5H6BrCl5
    5-bromo-1,1,1,3,4-pentachloro-pentane
    —— 5-(p-fluorobenzylamino)-pyridine-2-carboxaldehyde 67516-17-0 C13H11FN2O
    5-(p-fluorobenzylamino)-pyridine-2-carboxaldehyde
    —— 5-Fluoro-4-methyl-9-(oxan-4-yl)carbazole-2-carboxylic acid 1047625-24-0 C19H18FNO3
    5-Fluoro-4-methyl-9-(oxan-4-yl)carbazole-2-carboxylic acid
    —— 5-(1-oxo-2,3-diphenylindolizin-7-ylidene)-2-sulfanylidene-1,3-diazinane-4,6-dione 86193-08-0 C24H15N3O3S
    5-(1-oxo-2,3-diphenylindolizin-7-ylidene)-2-sulfanylidene-1,3-diazinane-4,6-dione
    —— (5S,15S)-5,15-Diisopropyl-3,17-dioxa-6,10,14-triaza-tricyclo[17.3.1.1<sup>8,12</sup>]tetracosa-1(23),8,10,12(24),19,21-hexaene-4,7,13,16-tetraone 96747-39-6 C25H29N3O6
    (5S,15S)-5,15-Diisopropyl-3,17-dioxa-6,10,14-triaza-tricyclo[17.3.1.1<sup>8,12</sup>]tetracosa-1(23),8,10,12(24),19,21-hexaene-4,7,13,16-tetraone
    —— 5-chloro-2,3-dihydro-1H-pyrrolizin-1-one 1415034-29-5 C7H6ClNO
    5-chloro-2,3-dihydro-1H-pyrrolizin-1-one
    —— 5-Acetyl-1,1-dimethyl-octahydro-indene-3a-carboxylic acid methyl ester 1216-56-4 C15H24O3
    5-Acetyl-1,1-dimethyl-octahydro-indene-3a-carboxylic acid methyl ester
    —— (5R,6S,7S,8S)-8-azido-6,7-bis(benzyloxy)-5-benzyloxymethyl-5,6,7,8-tetrahydroimidazo[1,2-a]pyridine 162438-95-1 C29H29N5O3
    (5R,6S,7S,8S)-8-azido-6,7-bis(benzyloxy)-5-benzyloxymethyl-5,6,7,8-tetrahydroimidazo[1,2-a]pyridine
    —— 5-(3-benzyloxy-benzyl)-5,6,7,8-tetrahydro-[1,3]dioxolo[4,5-<i>g</i>]isoquinoline 25828-96-0 C24H23NO3
    5-(3-benzyloxy-benzyl)-5,6,7,8-tetrahydro-[1,3]dioxolo[4,5-<i>g</i>]isoquinoline
    —— 5,6-Dihydrobenz<c>acridinium-perchlorat 81023-63-4 C17H13N*ClHO4
    5,6-Dihydrobenz<c>acridinium-perchlorat
    —— 5-(cyclopropylamino)-7-{3-methanesulfonyl-4-[(1-methylpiperidin-4-yl)amino]phenyl}-3-methyl-3H,4H-pyrido[4,3-d]pyrimidin-4-one 1263069-66-4 C24H30N6O3S
    5-(cyclopropylamino)-7-{3-methanesulfonyl-4-[(1-methylpiperidin-4-yl)amino]phenyl}-3-methyl-3H,4H-pyrido[4,3-d]pyrimidin-4-one
    —— 5-(2,3-dihydrofuro[2,3-b]pyridin-5-yl)-3-((4-(4-(1,1,1,3,3,3-hexafluoro-2-hydroxypropan-2-yl)-2-propylphenoxy)pyridin-2-yl)methyl)-5-methylimidazolidine-2,4-dione 1198166-91-4 C29H26F6N4O5
    5-(2,3-dihydrofuro[2,3-b]pyridin-5-yl)-3-((4-(4-(1,1,1,3,3,3-hexafluoro-2-hydroxypropan-2-yl)-2-propylphenoxy)pyridin-2-yl)methyl)-5-methylimidazolidine-2,4-dione
    —— 5-<4-Methoxy-benzyliden>-3-methyl-5,6-dihydro-cyclopenta<b>thiophen-4-on 5679-15-2 C16H14O2S
    5-<4-Methoxy-benzyliden>-3-methyl-5,6-dihydro-cyclopenta<b>thiophen-4-on
    —— 5.7-dioxo-1-methyl-3-benzyl-tetrahydro-vic.-triazolo<4.5-d>pyrimidinium-betain 13925-43-4 C12H11N5O2
    5.7-dioxo-1-methyl-3-benzyl-tetrahydro-vic.-triazolo<4.5-d>pyrimidinium-betain
    —— 5-bromo-3-(2-(4-methoxyphenyl)2-oxo-ethylidene)indolin-2-one 724755-97-9 C17H12BrNO3
    5-bromo-3-(2-(4-methoxyphenyl)2-oxo-ethylidene)indolin-2-one
    —— 5-{6-[(4-acetylpiperazin-1-yl)methyl]pyridin-3-yl}-1-[(2,2-difluorocyclopropyl)methyl]-3-methyl-1,3-dihydro-2,1,3-benzothiadiazole 2,2-dioxide 1333263-76-5 C23H27F2N5O3S
    5-{6-[(4-acetylpiperazin-1-yl)methyl]pyridin-3-yl}-1-[(2,2-difluorocyclopropyl)methyl]-3-methyl-1,3-dihydro-2,1,3-benzothiadiazole 2,2-dioxide
    —— 5-(7-Pyridin-3-yl-1,5-naphthyridin-2-yl)-1,3-benzoxazol-2-amine 1350924-29-6 C20H13N5O
    5-(7-Pyridin-3-yl-1,5-naphthyridin-2-yl)-1,3-benzoxazol-2-amine
    —— (5S)-3-(4-fluoro-1-piperidinyl)-7-(2-fluoro-3-pyridinyl)spiro[chromeno[2,3-c]pyridine-5,4'-[1,3]oxazol]-2'-amine 1335296-02-0 C24H21F2N5O2
    (5S)-3-(4-fluoro-1-piperidinyl)-7-(2-fluoro-3-pyridinyl)spiro[chromeno[2,3-c]pyridine-5,4'-[1,3]oxazol]-2'-amine
    —— 5-Chlor-4,6-dimercapto-pyrimidin 6303-51-1 C4H3ClN2S2
    5-Chlor-4,6-dimercapto-pyrimidin
    —— 5-methyl-5,6-dihydro-benzo[f]pyrrolo[1,2-a][1,4]diazepin-4-one 1263788-14-2 C13H12N2O
    5-methyl-5,6-dihydro-benzo[f]pyrrolo[1,2-a][1,4]diazepin-4-one
    —— 5-Methyl-1-[(2S,3R)-3-(2-nitro-phenylsulfanyl)-tetrahydro-furan-2-yl]-1H-pyrimidine-2,4-dione 129778-53-6 C15H15N3O5S
    5-Methyl-1-[(2S,3R)-3-(2-nitro-phenylsulfanyl)-tetrahydro-furan-2-yl]-1H-pyrimidine-2,4-dione
    —— 5-butyl-2-(3-methoxyphenyl)-1H-indole 906770-80-7 C19H21NO
    5-butyl-2-(3-methoxyphenyl)-1H-indole
    —— 5-O-(4''-azido-2'',3''-di-O-acetyl-4'',6''-dideoxy-β-D-glucopyranosyl)-1,3,2',6'-tetraazido-6,3',4'-tri-O-benzyl neamine 485810-04-6 C43H49N15O11
    5-O-(4''-azido-2'',3''-di-O-acetyl-4'',6''-dideoxy-β-D-glucopyranosyl)-1,3,2',6'-tetraazido-6,3',4'-tri-O-benzyl neamine
    —— 5-Chloro-1,2-dimethyl-3-phenyl-2H-pyrazol-1-ium 59803-74-6 C11H12ClN2
    5-Chloro-1,2-dimethyl-3-phenyl-2H-pyrazol-1-ium