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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-(m-carboxyphenylazo)-8-quinolinol 41735-98-2 C16H11N3O3
    5-(m-carboxyphenylazo)-8-quinolinol
    —— 5'-O-(tert-butyldiphenylsilyl)-3'-deoxy-adenosine 862179-59-7 C26H31N5O3Si
    5'-O-(tert-butyldiphenylsilyl)-3'-deoxy-adenosine
    —— (5-isopropylsulfanyl-[1,3,4]thiadiazol-2-yl)-dithiocarbamic acid 4-chloro-benzyl ester 38264-78-7 C13H14ClN3S4
    (5-isopropylsulfanyl-[1,3,4]thiadiazol-2-yl)-dithiocarbamic acid 4-chloro-benzyl ester
    —— 5-bis[2-(3,5-dimethyl-1-pyrazolyl)ethyl]amine-1,10-phenanthroline 360781-52-8 C26H29N7
    5-bis[2-(3,5-dimethyl-1-pyrazolyl)ethyl]amine-1,10-phenanthroline
    —— [5-Chloro-2-(ethoxycarbonyl-ethyl-amino)-phenyl]-carbamic acid ethyl ester 89659-75-6 C14H19ClN2O4
    [5-Chloro-2-(ethoxycarbonyl-ethyl-amino)-phenyl]-carbamic acid ethyl ester
    —— 5,17-Dioxo-4,5-secoestr-3-in 21944-85-4 C18H24O2
    5,17-Dioxo-4,5-secoestr-3-in
    —— {5-[2-(2-methoxy-ethoxy)-ethyl]-[1,3,4]thiadiazol-2-yl}-dithiocarbamic acid 4-chloro-benzyl ester 38264-52-7 C15H18ClN3O2S3
    {5-[2-(2-methoxy-ethoxy)-ethyl]-[1,3,4]thiadiazol-2-yl}-dithiocarbamic acid 4-chloro-benzyl ester
    —— (+/-)-5,7,8,13,13b,14-hexahydro-5-methyleneindolo<2',3':3,4>pyrido<1,2-b><2,7>naphthyridine 136945-68-1 C19H17N3
    (+/-)-5,7,8,13,13b,14-hexahydro-5-methyleneindolo<2',3':3,4>pyrido<1,2-b><2,7>naphthyridine
    —— (5R,10S,13S,17S)-10,13,17-Trimethyl-1-methylene-hexadecahydro-cyclopenta[a]phenanthren-17-ol 26614-62-0 C21H34O
    (5R,10S,13S,17S)-10,13,17-Trimethyl-1-methylene-hexadecahydro-cyclopenta[a]phenanthren-17-ol
    —— 5-(3-nitrolphenyl)-1,9-dimethyl-pyrido[2,3-d][6,5-d]dipyrimidine-2,4,6,8(1H,3H,7H,9H)-tetraone 1606145-64-5 C17H12N6O6
    5-(3-nitrolphenyl)-1,9-dimethyl-pyrido[2,3-d][6,5-d]dipyrimidine-2,4,6,8(1H,3H,7H,9H)-tetraone
    —— 5'-O-t-butyldiphenylsilyl-2',3'-secoinosine 119898-68-9 C26H32N4O5Si
    5'-O-t-butyldiphenylsilyl-2',3'-secoinosine
    —— (5Z)-2,2-ditert-butyl-5-ethylidene-4-phenyl-1H-azasilole 1096534-94-9 C19H29NSi
    (5Z)-2,2-ditert-butyl-5-ethylidene-4-phenyl-1H-azasilole
    —— 5,7-bis[[4-(trifluoromethyl)phenyl]methyl]-1,3-diazatricyclo[3.3.1.13,7]decan-6-one 1053242-58-2 C24H22F6N2O
    5,7-bis[[4-(trifluoromethyl)phenyl]methyl]-1,3-diazatricyclo[3.3.1.13,7]decan-6-one
    —— 5a-Acetylbicyclomycin-2',3'-acetonid 66310-63-2 C17H24N2O8
    5a-Acetylbicyclomycin-2',3'-acetonid
    —— [(5R,6R,10R,13S,16R)-6-Fluoro-5-hydroxy-10,13,16-trimethyl-3-oxo-hexadecahydro-cyclopenta[a]phenanthren-(17Z)-ylidene]-acetic acid methyl ester 2692-10-6 C23H33FO4
    [(5R,6R,10R,13S,16R)-6-Fluoro-5-hydroxy-10,13,16-trimethyl-3-oxo-hexadecahydro-cyclopenta[a]phenanthren-(17Z)-ylidene]-acetic acid methyl ester
    —— 5-[Cyano-(triphenyl-λ5-phosphanylidene)-methyl]-3-(2-methoxycarbonyl-ethyl)-4-methoxycarbonylmethyl-1H-pyrrole-2-carboxylic acid tert-butyl ester 92206-05-8 C36H37N2O6P
    5-[Cyano-(triphenyl-λ5-phosphanylidene)-methyl]-3-(2-methoxycarbonyl-ethyl)-4-methoxycarbonylmethyl-1H-pyrrole-2-carboxylic acid tert-butyl ester
    —— 5-(adamantan-1-yloxymethyl)-1-benzyl-2-cyclohexyl-1H-imidazole4-carbaldehyde 372956-84-8 C28H36N2O2
    5-(adamantan-1-yloxymethyl)-1-benzyl-2-cyclohexyl-1H-imidazole4-carbaldehyde
    —— 5-<1-(3-benzylthioureido)>-1-(β-D-ribofuranosyl)imidazole-4-carboxamide 133966-94-6 C17H21N5O5S
    5-<1-(3-benzylthioureido)>-1-(β-D-ribofuranosyl)imidazole-4-carboxamide
    —— 5-nitro-1-β-<i>D</i>-ribofuranosyl-1<i>H</i>-imidazole-4-carboxylic acid amide 50730-45-5 C9H12N4O7
    5-nitro-1-β-<i>D</i>-ribofuranosyl-1<i>H</i>-imidazole-4-carboxylic acid amide
    —— 5-[3-[2-(acetylamino)ethyl]-5-methoxy-1H-indol-2-yl]-2',3'-O-(1-methylethylidene)uridine 68798-00-5 C25H30N4O8
    5-[3-[2-(acetylamino)ethyl]-5-methoxy-1H-indol-2-yl]-2',3'-O-(1-methylethylidene)uridine
    —— 5-chloro-N-cyanothiophene-2-carboximidamide 1606978-12-4 C6H4ClN3S
    5-chloro-N-cyanothiophene-2-carboximidamide
    —— 5-(5-(((5-fluoro-2-oxoindolin-3-ylidene)hydrazono)methyl)-2,4-dimethyl-1H-pyrrole-3-carboxamido)pentanoic acid methyl ester 1144510-36-0 C22H24FN5O4
    5-(5-(((5-fluoro-2-oxoindolin-3-ylidene)hydrazono)methyl)-2,4-dimethyl-1H-pyrrole-3-carboxamido)pentanoic acid methyl ester
    —— (5S,6R,10S)-2-((4-nitrobenzyl)thio)-4-oxo-6,10-diphenyl-1-thia-3-azaspiro[4.5]deca-2,7-diene-7-carboxaldehyde 1433721-09-5 C28H22N2O4S2
    (5S,6R,10S)-2-((4-nitrobenzyl)thio)-4-oxo-6,10-diphenyl-1-thia-3-azaspiro[4.5]deca-2,7-diene-7-carboxaldehyde
    —— 5-(5-bromo-3-phenylnaphthalen-1-yl)benzo[d][1,3]dioxole 1177254-10-2 C23H15BrO2
    5-(5-bromo-3-phenylnaphthalen-1-yl)benzo[d][1,3]dioxole
    —— 5,5'-bis-{4-[2-(2-hydroxy-ethoxy)-ethylamino]-6-(4-sulfo-anilino)-[1,3,5]triazin-2-ylamino}-2,2'-ethene-1,2-diyl-bis-benzenesulfonic acid 4779-43-5 C40H44N12O16S4
    5,5'-bis-{4-[2-(2-hydroxy-ethoxy)-ethylamino]-6-(4-sulfo-anilino)-[1,3,5]triazin-2-ylamino}-2,2'-ethene-1,2-diyl-bis-benzenesulfonic acid
    —— 5-Hydroxy-5H-dibenzo[a,d]cycloheptene-5-carboxylic acid 1-aza-bicyclo[2.2.2]oct-3-yl ester 10541-17-0 C23H23NO3
    5-Hydroxy-5H-dibenzo[a,d]cycloheptene-5-carboxylic acid 1-aza-bicyclo[2.2.2]oct-3-yl ester
    —— (5S,10S,13S)-10,13,16-Trimethyl-hexadecahydro-16-aza-cyclopenta[a]phenanthren-3-one 17323-51-2 C19H31NO
    (5S,10S,13S)-10,13,16-Trimethyl-hexadecahydro-16-aza-cyclopenta[a]phenanthren-3-one
    —— 5-Bromo-2-p-tolyl-isoindole-1,3-dithione 82104-16-3 C15H10BrNS2
    5-Bromo-2-p-tolyl-isoindole-1,3-dithione
    —— 5-(1-bromonaphthalen-2-yl)-1-(2-(2-(tributylstannyl)phenoxy)phenyl)pent-1-yn-3-ol 1198401-45-4 C39H47BrO2Sn
    5-(1-bromonaphthalen-2-yl)-1-(2-(2-(tributylstannyl)phenoxy)phenyl)pent-1-yn-3-ol
    —— 5-benzo[1,3]dioxol-4-yl-[1,3,4]oxadiazole-2-thiol 1236038-53-1 C9H6N2O3S
    5-benzo[1,3]dioxol-4-yl-[1,3,4]oxadiazole-2-thiol
    —— 5α-cholestan-6-one thiosemicarbazone 189566-94-7 C28H49N3S
    5α-cholestan-6-one thiosemicarbazone
    —— 5-[4-(8-Azabicyclo[3.2.1]octan-8-yl)-2-methoxyphenyl]iminoquinolin-8-one 1225568-42-2 C23H23N3O2
    5-[4-(8-Azabicyclo[3.2.1]octan-8-yl)-2-methoxyphenyl]iminoquinolin-8-one
    —— 5-benzyloxy-3-(2-cyanovinyl)-1-(4-isopropoxyphenyl)indole-2-carboxylic acid ethyl ester 902757-36-2 C30H28N2O4
    5-benzyloxy-3-(2-cyanovinyl)-1-(4-isopropoxyphenyl)indole-2-carboxylic acid ethyl ester
    —— 5-diethylamino-1,1,1-trifluoro-pentan-2-one 459-65-4 C9H16F3NO
    5-diethylamino-1,1,1-trifluoro-pentan-2-one
    —— 5,6'-bi(nido-decacarbonyl) 71308-72-0 B20H26
    5,6'-bi(nido-decacarbonyl)
    —— 5-benzyloxy-3-iodo-1-(4-isopropoxyphenyl)indole-2-carboxylic acid ethyl ester 902757-32-8 C27H26INO4
    5-benzyloxy-3-iodo-1-(4-isopropoxyphenyl)indole-2-carboxylic acid ethyl ester
    —— 5-(ethoxycarbonylmethyl)-5-hydroxy-N-tosyl-2,3,4,5-tetrahydrobenzazepine 130719-75-4 C21H25NO5S
    5-(ethoxycarbonylmethyl)-5-hydroxy-N-tosyl-2,3,4,5-tetrahydrobenzazepine
    —— 5-(3-formyl)dihexylhexamethylporphine 126135-97-5 C45H54N4O
    5-(3-formyl)dihexylhexamethylporphine
    —— 5-[(4-Chloro-phenyl)-hydrazono]-3-(4-nitro-phenyl)-4-phenyl-4,5-dihydro-[1,2,4]oxadiazin-6-one 36273-75-3 C21H14ClN5O4
    5-[(4-Chloro-phenyl)-hydrazono]-3-(4-nitro-phenyl)-4-phenyl-4,5-dihydro-[1,2,4]oxadiazin-6-one
    —— 5-(3-carboxy-4-(4-fluorobenzylamino)benzyl)-2-(4-fluorobenzylamino)benzoic acid 1056452-31-3 C29H24F2N2O4
    5-(3-carboxy-4-(4-fluorobenzylamino)benzyl)-2-(4-fluorobenzylamino)benzoic acid
    —— 5-(3,3-dimethyl-ureido)-[1,2,3]thiadiazole-4-carboxylic acid diethylamide 40765-02-4 C10H17N5O2S
    5-(3,3-dimethyl-ureido)-[1,2,3]thiadiazole-4-carboxylic acid diethylamide
    —— 5'-O-[[1-[(1,1-dimethylethoxy)carbonyl]-1H-indol-5-yl]oxy][[(1S)-2-ethoxy-1-methyl-2-oxoethyl]amino]phosphinyl-2'-C-methylcytidine 946512-09-0 C28H38N5O11P
    5'-O-[[1-[(1,1-dimethylethoxy)carbonyl]-1H-indol-5-yl]oxy][[(1S)-2-ethoxy-1-methyl-2-oxoethyl]amino]phosphinyl-2'-C-methylcytidine
    —— 5-bromo-1-methyl-2-oxo-1,2-dihydropyrimidin-4-yl 2,4,6-triisopropylbenzenesulfonate 1373921-17-5 C20H27BrN2O4S
    5-bromo-1-methyl-2-oxo-1,2-dihydropyrimidin-4-yl 2,4,6-triisopropylbenzenesulfonate
    —— 5-((N-(methoxycarbonyl)-4-methylphenyl)sulfonamido)pentyl benzoate 1047673-26-6 C21H25NO6S
    5-((N-(methoxycarbonyl)-4-methylphenyl)sulfonamido)pentyl benzoate
    —— 5-Bromo-4-<3-(tert-Butylamino)-2-hydroxypropoxy>-2-methylpyridazin-3(2H)-one hydrochloride 104949-37-3 C12H20BrN3O3*ClH
    5-Bromo-4-<3-(tert-Butylamino)-2-hydroxypropoxy>-2-methylpyridazin-3(2H)-one hydrochloride
    —— 5,5'-bi(5-methyl-2,7-di-tert-butyl-4-oxa-2,6-cycloheptadienone) 69901-44-6 C30H46O4
    5,5'-bi(5-methyl-2,7-di-tert-butyl-4-oxa-2,6-cycloheptadienone)
    —— (5-Cyclopropylidene-cyclooctylidene)-acetic acid ethyl ester 119548-56-0 C15H22O2
    (5-Cyclopropylidene-cyclooctylidene)-acetic acid ethyl ester
    —— 5,9-Dimethyl-1-oxaspiro<4.5>decan-2-one 121802-66-2 C11H18O2
    5,9-Dimethyl-1-oxaspiro<4.5>decan-2-one
    —— 5-(3-amino-4-fluoro-phenyl)-pentanoic acid methyl ester 741721-44-8 C12H16FNO2
    5-(3-amino-4-fluoro-phenyl)-pentanoic acid methyl ester
    —— 5,5'-dihydroxy-1,1,1',1',6,6'-hexamethyl-3,3'-spirobi[2H-indene]-4,4'-dicarbaldehyde 1024916-05-9 C25H28O4
    5,5'-dihydroxy-1,1,1',1',6,6'-hexamethyl-3,3'-spirobi[2H-indene]-4,4'-dicarbaldehyde