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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5,5-Dimethyl-2,2-diphenyl-7,7-bis(trifluormethyl)-6-oxa-1-aza-5λ<sup>5</sup>-phosphabicyclo<3.2.0>hept-3-en-3,4-dicarbonsaeure-dimethylester 65138-48-9 C24H22F6NO5P
    5,5-Dimethyl-2,2-diphenyl-7,7-bis(trifluormethyl)-6-oxa-1-aza-5λ<sup>5</sup>-phosphabicyclo<3.2.0>hept-3-en-3,4-dicarbonsaeure-dimethylester
    —— (5-isopropyl-2-methyl-phenyl)-acetic acid ethyl ester 92300-76-0 C14H20O2
    (5-isopropyl-2-methyl-phenyl)-acetic acid ethyl ester
    —— 5-(α-Brom-β-carboxyethyl)-benzo-2,1,3-thiadiazol 24793-69-9 C9H7BrN2O2S
    5-(α-Brom-β-carboxyethyl)-benzo-2,1,3-thiadiazol
    —— 5-((5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)methyl)-2'-deoxy-β-L-uridine 1356470-38-6 C30H30N6O7
    5-((5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)methyl)-2'-deoxy-β-L-uridine
    —— 5-bromo-2'-deoxyuridine 3'-<N-<2-(ethylamino)ethyl>glycyl ester> dihydrochloride 130328-00-6 C15H23BrN4O6*2ClH
    5-bromo-2'-deoxyuridine 3'-<N-<2-(ethylamino)ethyl>glycyl ester> dihydrochloride
    —— (-)-5-(R)-acetoxy-4-methyl-2(5H)-furanone 180063-09-6 C7H8O4
    (-)-5-(R)-acetoxy-4-methyl-2(5H)-furanone
    —— 5-(3-bromothien-2-yl)-2',3',5'-O-acetyluridine 1380394-48-8 C19H19BrN2O9S
    5-(3-bromothien-2-yl)-2',3',5'-O-acetyluridine
    —— 5-Methoxy-2-oxo-2,3-dihydro-benzoimidazole-1-carboxylic acid (1R,3R,5S)-8-methyl-8-aza-bicyclo[3.2.1]oct-3-yl ester 123279-43-6 C17H21N3O4
    5-Methoxy-2-oxo-2,3-dihydro-benzoimidazole-1-carboxylic acid (1R,3R,5S)-8-methyl-8-aza-bicyclo[3.2.1]oct-3-yl ester
    —— 5-(α-benzoylbenzyl)-3-benzyloxymethyl-2'-deoxyuridine 1394855-57-2 C31H30N2O7
    5-(α-benzoylbenzyl)-3-benzyloxymethyl-2'-deoxyuridine
    —— 5-bromo-5'-trityl-2'-deoxyuridine 3'-<N-(1,1-dimethylethoxycarbonyl)-N-<2-<N-(1,1-dimethylethoxycarbonyl)-N-(2-cyclohexylethyl)amino>ethyl>glycyl ester> 130328-01-7 C50H63BrN4O10
    5-bromo-5'-trityl-2'-deoxyuridine 3'-<N-(1,1-dimethylethoxycarbonyl)-N-<2-<N-(1,1-dimethylethoxycarbonyl)-N-(2-cyclohexylethyl)amino>ethyl>glycyl ester>
    —— 5-ethyl-3-fluorotetrahydro-2-oxo-furancarboxylic acid ethyl ester 79462-80-9 C9H13FO4
    5-ethyl-3-fluorotetrahydro-2-oxo-furancarboxylic acid ethyl ester
    —— 5-(2-hydroxy-1,2-diphenylethyl)-2'-deoxyuridine 1394855-62-9 C23H24N2O6
    5-(2-hydroxy-1,2-diphenylethyl)-2'-deoxyuridine
    —— 5-Benzoyl-1-((2R,4S,5R)-4-hydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-5-methyl-dihydro-pyrimidine-2,4-dione 187979-94-8 C17H20N2O6
    5-Benzoyl-1-((2R,4S,5R)-4-hydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-5-methyl-dihydro-pyrimidine-2,4-dione
    —— 5'-(2-bromophenyl)-17-(cyclopropylmethyl)-6,7-didehydro-3,14-dihydroxy-4,5α-epoxypyrido[2',3':6,7]morphinan 651357-28-7 C29H27BrN2O3
    5'-(2-bromophenyl)-17-(cyclopropylmethyl)-6,7-didehydro-3,14-dihydroxy-4,5α-epoxypyrido[2',3':6,7]morphinan
    —— 5-methyl-3-phenylimidazo[1,5-c]quinazoline 1591672-09-1 C17H13N3
    5-methyl-3-phenylimidazo[1,5-c]quinazoline
    —— 5-methoxy-2-(pyridin-2-yl)phenyl benzoate 1186200-27-0 C19H15NO3
    5-methoxy-2-(pyridin-2-yl)phenyl benzoate
    —— 5-fluoro-1',3',6'-trimethyl-6',8'-dihydrospiro[indoline-3,4'-pyrazolo[3,4-e][1,4]thiazepine]-2,7'(1'H)-dione 1318252-90-2 C16H15FN4O2S
    5-fluoro-1',3',6'-trimethyl-6',8'-dihydrospiro[indoline-3,4'-pyrazolo[3,4-e][1,4]thiazepine]-2,7'(1'H)-dione
    —— 5-methylpyrimidine * 2 osmium tetraoxide 63891-12-3 C5H6N2O8Os2
    5-methylpyrimidine * 2 osmium tetraoxide
    —— 5-((3-(dimethylamino)propyl)thio)-4-(aminomethyl)-3-hydroxyl-5,6,7,8-tetraquinoline 88889-07-0 C15H25N3OS
    5-((3-(dimethylamino)propyl)thio)-4-(aminomethyl)-3-hydroxyl-5,6,7,8-tetraquinoline
    —— (5S)-5-t-butyl diphenyl silyloxy-hept-6-ynoic acid, methyl ester 90108-29-5 C24H30O3Si
    (5S)-5-t-butyl diphenyl silyloxy-hept-6-ynoic acid, methyl ester
    —— 5-{4-[2-(5-ethylpyridin-2-yl)-2-tosylethoxy]benzylidene}-2,4-thiazolidene dione 646519-92-8 C26H24N2O6S2
    5-{4-[2-(5-ethylpyridin-2-yl)-2-tosylethoxy]benzylidene}-2,4-thiazolidene dione
    —— 5-hydroxy-3-(4-(4-((2-methoxybenzyl)(methyl)amino)butoxy)phenyl)-7-(methoxymethoxy)-4H-chromen-4-one 1439919-55-7 C30H33NO7
    5-hydroxy-3-(4-(4-((2-methoxybenzyl)(methyl)amino)butoxy)phenyl)-7-(methoxymethoxy)-4H-chromen-4-one
    —— 5,6-[2,7-di-tert-butyl-(9,10-phenenthro)]-2,3-dicyanopyrazine 178112-95-3 C26H24N4
    5,6-[2,7-di-tert-butyl-(9,10-phenenthro)]-2,3-dicyanopyrazine
    —— 5β,8α-dibenzyloxy-2β-methyl-1β-<3-(1-ethoxyethoxy)propyl>-1,2,4aα,5,6,7,8,8aβ-octahydronaphthalene 79782-48-2 C32H44O4
    5β,8α-dibenzyloxy-2β-methyl-1β-<3-(1-ethoxyethoxy)propyl>-1,2,4aα,5,6,7,8,8aβ-octahydronaphthalene
    —— (5S,6S)-9-((E)-3-methylbenzylidene)-2,4,8-triphenyl-6-(m-tolyl)-2,3,7-triazaspiro[4.4]nona-3,7-dien-1-one 1255704-66-5 C39H31N3O
    (5S,6S)-9-((E)-3-methylbenzylidene)-2,4,8-triphenyl-6-(m-tolyl)-2,3,7-triazaspiro[4.4]nona-3,7-dien-1-one
    —— 5β-cholestane-3α,4β,5-triol 896438-75-8 C27H48O3
    5β-cholestane-3α,4β,5-triol
    —— 5-Ethoxy-4-[(2-iodophenyl)methyl]-2-methyl-1,3-oxazole 1353566-10-5 C13H14INO2
    5-Ethoxy-4-[(2-iodophenyl)methyl]-2-methyl-1,3-oxazole
    —— 5-(2,3,6-trimethyl-4-methoxyphenyl)-3-methyl-2E,4E-pentadienoic acid 121001-21-6 C16H20O3
    5-(2,3,6-trimethyl-4-methoxyphenyl)-3-methyl-2E,4E-pentadienoic acid
    —— (5S)-N3(A/B)-di-trimethylsilylethoxymethyl-5-(α-thymidyl)-5,6-dihydrothymidine 878142-94-0 C32H56N4O12Si2
    (5S)-N3(A/B)-di-trimethylsilylethoxymethyl-5-(α-thymidyl)-5,6-dihydrothymidine
    —— (5-oxo-5H-dibenzo[a,d][7]annulen-10-yl)bis(triphenyl-l5-phosphaneyl)platinum(IV) bromide 164987-56-8 C51H39BrOP2Pt
    (5-oxo-5H-dibenzo[a,d][7]annulen-10-yl)bis(triphenyl-l5-phosphaneyl)platinum(IV) bromide
    —— 5(S),12(R)-bis<(tert-butyldimethylsilyl)oxy>-6(7),8(E),10(E),14(Z)-eicosatetraenoic acid 115418-91-2 C32H60O4Si2
    5(S),12(R)-bis<(tert-butyldimethylsilyl)oxy>-6(7),8(E),10(E),14(Z)-eicosatetraenoic acid
    —— 5-bromo-2,4-dicarba-closo-heptaborane(7) 27733-74-0 C2H6B5Br
    5-bromo-2,4-dicarba-closo-heptaborane(7)
    —— 5-iodo-1-penten-1-ylboronic acid 85976-78-9 C5H10BIO2
    5-iodo-1-penten-1-ylboronic acid
    —— 5-bromo-2-cyclopropylphenyl lead triacetate 1234559-33-1 C15H17BrO6Pb
    5-bromo-2-cyclopropylphenyl lead triacetate
    —— 5,7-bis(acetyloxy)-2-[3,4-bis(acetyloxy)phenyl]-3-{{2,3,4-tri-O-acetyl-6-O-[4-O-acetyl-6-deoxy-2,3-O-(phenylmethylene)-α-L-mannopyranosyl]-β-D-glucopyranosyl}oxy}-4H-1-benzopyran-4-one 267005-98-1 C50H50O24
    5,7-bis(acetyloxy)-2-[3,4-bis(acetyloxy)phenyl]-3-{{2,3,4-tri-O-acetyl-6-O-[4-O-acetyl-6-deoxy-2,3-O-(phenylmethylene)-α-L-mannopyranosyl]-β-D-glucopyranosyl}oxy}-4H-1-benzopyran-4-one
    —— 5,5'-(2,3-dihydroxybutane-1,4-diyl)bis(acetylazanediyl)bis(N1,N1,N3,N3-tetrakis(2-hydroxyethyl)-2,4,6-triiodoisophthalamide) 1186057-90-8 C40H54I6N6O16
    5,5'-(2,3-dihydroxybutane-1,4-diyl)bis(acetylazanediyl)bis(N1,N1,N3,N3-tetrakis(2-hydroxyethyl)-2,4,6-triiodoisophthalamide)
    —— 5-chloro-3'-[5-(trifluoromethyl)-2-chloro-phenyl]-5'-methylspiro[3H-indole-3,2'-thiazolidine]-2,4'(1H)-dione 1320357-59-2 C18H11Cl2F3N2O2S
    5-chloro-3'-[5-(trifluoromethyl)-2-chloro-phenyl]-5'-methylspiro[3H-indole-3,2'-thiazolidine]-2,4'(1H)-dione
    —— 5-iodo-2-methyl-3-phenylthio-1-pentene 259210-11-2 C12H15IS
    5-iodo-2-methyl-3-phenylthio-1-pentene
    —— 5-(4-toluene)sulfenyl-2',3',5'-tri-O-acetyluridine 98889-50-0 C22H24N2O9S
    5-(4-toluene)sulfenyl-2',3',5'-tri-O-acetyluridine
    —— [5-(tert-butyldiphenylsilanyloxy)pentyl]carbamic acid tert-butyl ester 221137-06-0 C26H39NO3Si
    [5-(tert-butyldiphenylsilanyloxy)pentyl]carbamic acid tert-butyl ester
    —— (5R)-3-[3-fluoro-4-(5-oxo-5,6-dihydro-4H-[1,3,4]thiadiazin-2-yl)phenyl]-2-oxo-5-oxazolidinecarboxylic acid butyl ester 590421-55-9 C17H18FN3O5S
    (5R)-3-[3-fluoro-4-(5-oxo-5,6-dihydro-4H-[1,3,4]thiadiazin-2-yl)phenyl]-2-oxo-5-oxazolidinecarboxylic acid butyl ester
    —— 5-(4-trifluoromethylphenyl)-4-pentynal 401901-61-9 C12H9F3O
    5-(4-trifluoromethylphenyl)-4-pentynal
    —— [5-amino-6-{5-[4-(3,4-dichlorophenethyloxy)phenylmethyl]-[1,2,4]oxadiazol-3-yl}-6-(tert-butyl-dimethylsilyloxy)-hexyl]-carbamic acid tert-butyl ester 885125-88-2 C34H50Cl2N4O5Si
    [5-amino-6-{5-[4-(3,4-dichlorophenethyloxy)phenylmethyl]-[1,2,4]oxadiazol-3-yl}-6-(tert-butyl-dimethylsilyloxy)-hexyl]-carbamic acid tert-butyl ester
    —— 5-(m-chlorophenylazo)-N-(p-ethylbenzylidene)anthranilic acid 654649-22-6 C22H18ClN3O2
    5-(m-chlorophenylazo)-N-(p-ethylbenzylidene)anthranilic acid
    —— [5-(4-methylphenyl)-3-phenyl-1H-pyrrol-2-yl][5-(4-methylphenyl)-3-phenylpyrrol-2-ylidene]amine 1327339-71-8 C34H27N3
    [5-(4-methylphenyl)-3-phenyl-1H-pyrrol-2-yl][5-(4-methylphenyl)-3-phenylpyrrol-2-ylidene]amine
    —— (5,10,15-tris(pentafluorophenyl)corrolato)(trans-difluoro)antimony(V) 874895-49-5 C37H8F17N4Sb
    (5,10,15-tris(pentafluorophenyl)corrolato)(trans-difluoro)antimony(V)
    —— [5-(2,4-Dichloro-phenoxymethyl)-[1,3,4]thiadiazol-2-yl]-[1-(3,4-dichloro-phenyl)-meth-(E)-ylidene]-amine 145666-30-4 C16H9Cl4N3OS
    [5-(2,4-Dichloro-phenoxymethyl)-[1,3,4]thiadiazol-2-yl]-[1-(3,4-dichloro-phenyl)-meth-(E)-ylidene]-amine
    —— 5-chloro-3'-(2,6-dichlorophenyl)-5'-methyl-spiro-[3H-indole-3,2'-thiazolidine]-2,4'(1H)-dione 1320357-64-9 C17H11Cl3N2O2S
    5-chloro-3'-(2,6-dichlorophenyl)-5'-methyl-spiro-[3H-indole-3,2'-thiazolidine]-2,4'(1H)-dione
    —— 5,5'-dimethyl-[2,2']bithiazolyl-4,4'-dione 19639-65-7 C8H8N2O2S2
    5,5'-dimethyl-[2,2']bithiazolyl-4,4'-dione
    —— 5,5'-dibromo-2,2'-bis-nicotinoyloxy-benzil 102896-64-0 C26H14Br2N2O6
    5,5'-dibromo-2,2'-bis-nicotinoyloxy-benzil