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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-tert-butyl-1H-pyrazole;chlorozinc(1+);trifluoromethanesulfonate 503416-18-0 CF3O3S*C21H36ClN6Zn
    5-tert-butyl-1H-pyrazole;chlorozinc(1+);trifluoromethanesulfonate
    —— 5,5a,6,7,8,9-hexahydro-9a(4H)-naphtho[2,1-b]-thiophenamine 132453-41-9 C12H17NS
    5,5a,6,7,8,9-hexahydro-9a(4H)-naphtho[2,1-b]-thiophenamine
    —— 5-cyclopentylidene-2-methylpentan-2-ol 317808-03-0 C11H20O
    5-cyclopentylidene-2-methylpentan-2-ol
    —— 5-benzo[1,3]dioxol-5-yl-3-(4-methoxy-anilinomethyl)-3<i>H</i>-[1,3,4]oxadiazole-2-thione 69164-67-6 C17H15N3O4S
    5-benzo[1,3]dioxol-5-yl-3-(4-methoxy-anilinomethyl)-3<i>H</i>-[1,3,4]oxadiazole-2-thione
    —— 5,12a-Dihydro-6-(4'-hydroxy-3'-methoxyphenyl)-6H-benzothiazolo<3,2-c>-1,3-dioxolo<4,5-g>quinazoline 79835-08-8 C22H18N2O4S
    5,12a-Dihydro-6-(4'-hydroxy-3'-methoxyphenyl)-6H-benzothiazolo<3,2-c>-1,3-dioxolo<4,5-g>quinazoline
    —— 5-[2-(4-diethylamino-2-methyl-phenylimino)-3-oxo-3-phenyl-propionylamino]-isophthalic acid dimethyl ester 117164-00-8 C30H31N3O6
    5-[2-(4-diethylamino-2-methyl-phenylimino)-3-oxo-3-phenyl-propionylamino]-isophthalic acid dimethyl ester
    —— 5-(4-Hexyloxy-[1,2,5]thiadiazol-3-yl)-pyrimidine 287472-33-7 C12H16N4OS
    5-(4-Hexyloxy-[1,2,5]thiadiazol-3-yl)-pyrimidine
    —— 5',5'''-((((2R,7R)-1,2,3,6,7,8-hexahydro-as-indacene-2,7-diyl)bis(methylazanediyl))bis(carbonyl))bis([2,2'-bipyridine]-5-carboxylic acid) 871037-52-4 C38H32N6O6
    5',5'''-((((2R,7R)-1,2,3,6,7,8-hexahydro-as-indacene-2,7-diyl)bis(methylazanediyl))bis(carbonyl))bis([2,2'-bipyridine]-5-carboxylic acid)
    —— 5,7,7-trichloro-2-(2,6-dichloro-benzyl)-2-aza-bicyclo[4.1.0]hept-3-ene-4-carbonitrile 61307-55-9 C14H9Cl5N2
    5,7,7-trichloro-2-(2,6-dichloro-benzyl)-2-aza-bicyclo[4.1.0]hept-3-ene-4-carbonitrile
    —— ((5R,8R,9R,10R,13S,14S,17S)-17-tert-Butoxy-13-methyl-2,5,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yloxy)-trimethyl-silane 131269-93-7 C25H44O2Si
    ((5R,8R,9R,10R,13S,14S,17S)-17-tert-Butoxy-13-methyl-2,5,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yloxy)-trimethyl-silane
    —— (+/-)-5-cyano-3-(2-ethoxyphenyl)-1-(4-isopropyl-benzenesulphonyl)-3-(4-pyridin-4-yl-piperazin-1-yl)-2,3-dihydro-1H-indol-2-one 1010133-01-3 C35H35N5O4S
    (+/-)-5-cyano-3-(2-ethoxyphenyl)-1-(4-isopropyl-benzenesulphonyl)-3-(4-pyridin-4-yl-piperazin-1-yl)-2,3-dihydro-1H-indol-2-one
    —— 5-methyl-1-[1-(oxan-4-yl)ethyl]-N-pyridazin-4-ylpyrazole-4-carboxamide 1403616-55-6 C16H21N5O2
    5-methyl-1-[1-(oxan-4-yl)ethyl]-N-pyridazin-4-ylpyrazole-4-carboxamide
    —— 5-hydrazinyl-1H-indazole dihydrochloride 1443980-67-3 C7H10Cl2N4
    5-hydrazinyl-1H-indazole dihydrochloride
    —— 5-Hexyl-2-methyl-cyclopenten-2-on-2.4-dinitro-phenylhydrazon 5739-16-2 C18H24N4O4
    5-Hexyl-2-methyl-cyclopenten-2-on-2.4-dinitro-phenylhydrazon
    —— 5-Aethyl-2,4-dihydroxy-benzaldehyd-4-(2-methoxy-phenyl)-thiosemicarbazon 19015-29-3 C17H19N3O3S
    5-Aethyl-2,4-dihydroxy-benzaldehyd-4-(2-methoxy-phenyl)-thiosemicarbazon
    —— 5-Aethyl-2,4-dihydroxy-benzaldehyd-4-(4-methoxy-phenyl)-thiosemicarbazon 18964-98-2 C17H19N3O3S
    5-Aethyl-2,4-dihydroxy-benzaldehyd-4-(4-methoxy-phenyl)-thiosemicarbazon
    —— 5-methoxy-2-phenyl-oxazole-4-carboxylic acid 855405-23-1 C11H9NO4
    5-methoxy-2-phenyl-oxazole-4-carboxylic acid
    —— 5-bromo-3-(3-ethylbenzyl)-1H-indazol-6-ol 1384440-67-8 C16H15BrN2O
    5-bromo-3-(3-ethylbenzyl)-1H-indazol-6-ol
    —— 5-[5-(pent-1-ynylic acid methyl ester)]-3′-O-acetyl-2′-deoxycytidine 1448510-96-0 C17H21N3O7
    5-[5-(pent-1-ynylic acid methyl ester)]-3′-O-acetyl-2′-deoxycytidine
    —— 5-oxo-9-decenoic acid 397870-12-1 C10H16O3
    5-oxo-9-decenoic acid
    —— 5-nitro-3-phenyl-pentanoic acid methyl ester 474925-60-5 C12H15NO4
    5-nitro-3-phenyl-pentanoic acid methyl ester
    —— 5-methoxy-2-phenyl-4H-benzofuro<3,2-g><1>benzopyran-4-one 112649-62-4 C22H14O4
    5-methoxy-2-phenyl-4H-benzofuro<3,2-g><1>benzopyran-4-one
    —— 5-(chloromethyl)-2,2-dimethyl-4H-1,3-benzodioxine 112429-71-7 C11H13ClO2
    5-(chloromethyl)-2,2-dimethyl-4H-1,3-benzodioxine
    —— 5-[2-[[4-[[5-secbutyl-3-(1,1-difluoroethyl)-1H-1,2,4-triazol-1-yl]methyl]phenyl]methyl]phenyl]-1H-tetrazole 140121-93-3 C23H25F2N7
    5-[2-[[4-[[5-secbutyl-3-(1,1-difluoroethyl)-1H-1,2,4-triazol-1-yl]methyl]phenyl]methyl]phenyl]-1H-tetrazole
    —— 5-Iodo-2-methoxy-4-[(5-octyltriazol-1-yl)methyl]phenol 1003840-85-4 C18H26IN3O2
    5-Iodo-2-methoxy-4-[(5-octyltriazol-1-yl)methyl]phenol
    —— 5-Ethyl-5-propyl-4,5-dihydro-6H-canthin-4,6-dione 84590-23-8 C19H18N2O2
    5-Ethyl-5-propyl-4,5-dihydro-6H-canthin-4,6-dione
    —— 5-methyl-7-propyl-1,6-naphthyridin-2(1H)-one 146720-80-1 C12H14N2O
    5-methyl-7-propyl-1,6-naphthyridin-2(1H)-one
    —— 5-fluoro-4-methyl-2-nitro-aniline 428871-69-6 C7H7FN2O2
    5-fluoro-4-methyl-2-nitro-aniline
    —— 5-benzyloxy-3-(tert-butyldimethylsilyl)oxy-1-deoxy-2-methoxy-1b-(thiophen-3-yl)-β-D-ribofuranose 1583260-17-6 C23H34O4SSi
    5-benzyloxy-3-(tert-butyldimethylsilyl)oxy-1-deoxy-2-methoxy-1b-(thiophen-3-yl)-β-D-ribofuranose
    —— 5β,6,7,8β-tetrachloro-1α,4α,8aα,10aα-tetrahydro-1,4-methano-5,8-dimethoxymethanoanthracene-9,10-dione 119274-79-2 C18H14Cl4O4
    5β,6,7,8β-tetrachloro-1α,4α,8aα,10aα-tetrahydro-1,4-methano-5,8-dimethoxymethanoanthracene-9,10-dione
    —— 5-bromo-3-methoxy-furan-2-carbaldehyde 1027339-55-4 C6H5BrO3
    5-bromo-3-methoxy-furan-2-carbaldehyde
    —— 5-bromo-1-isopropyl-1H-pyrrolo[2,3-b]pyridine 1059064-04-8 C10H11BrN2
    5-bromo-1-isopropyl-1H-pyrrolo[2,3-b]pyridine
    —— 5-[[2-Hydroxy-3-[(2-oxo-1,3-dihydrobenzimidazol-5-yl)carbamoyl]naphthalen-1-yl]diazenyl]-1-pyrimidin-2-ylpyrazole-4-carboxamide 1204702-56-6 C26H18N10O4
    5-[[2-Hydroxy-3-[(2-oxo-1,3-dihydrobenzimidazol-5-yl)carbamoyl]naphthalen-1-yl]diazenyl]-1-pyrimidin-2-ylpyrazole-4-carboxamide
    —— 5-Amino-4-hydroxy-8-[(2-sulfophenyl)diazenyl]naphthalene-2-sulfonic acid 1458587-15-9 C16H13N3O7S2
    5-Amino-4-hydroxy-8-[(2-sulfophenyl)diazenyl]naphthalene-2-sulfonic acid
    —— 5-ethyl-5-chloro-dihydro-furan-2-one 98140-09-1 C6H9ClO2
    5-ethyl-5-chloro-dihydro-furan-2-one
    —— 5-(1-hydroxy-1-methyl-ethyl)-3-propyl-dihydro-furan-2-one 6747-53-1 C10H18O3
    5-(1-hydroxy-1-methyl-ethyl)-3-propyl-dihydro-furan-2-one
    —— 5-Acetoxy-6,9,15-trihydrodinaphtho<2,3-a:2',3'-h>phenazin-14-on 14900-32-4 C30H20N2O3
    5-Acetoxy-6,9,15-trihydrodinaphtho<2,3-a:2',3'-h>phenazin-14-on
    —— 5-methyl-1-(4-nitrophenyl)-4,5-dihydro-1H-pyrazole 5920-36-5 C10H11N3O2
    5-methyl-1-(4-nitrophenyl)-4,5-dihydro-1H-pyrazole
    —— 5-Acetyl-indan-<4-nitro-phenylhydrazon> 20007-30-1 C17H17N3O2
    5-Acetyl-indan-<4-nitro-phenylhydrazon>
    —— 5-Chlor-2-benzyl-1-phenethyl-imidazol 47148-94-7 C18H17ClN2
    5-Chlor-2-benzyl-1-phenethyl-imidazol
    —— 5-Methyl-5-aza-2.8-dithia-pentacyclo<7,7,0,1<sup>1</sup>2,<sup>1</sup>5,0<sup>3</sup>,<sup>7</sup>,0<sup>1</sup>1,<sup>1</sup>6>heptadeca-3(7),13-dien-4.6-dion 13575-38-7 C15H15NO2S2
    5-Methyl-5-aza-2.8-dithia-pentacyclo<7,7,0,1<sup>1</sup>2,<sup>1</sup>5,0<sup>3</sup>,<sup>7</sup>,0<sup>1</sup>1,<sup>1</sup>6>heptadeca-3(7),13-dien-4.6-dion
    —— 5-Oxo-2-methyl-4,4-dibenzyl-3-ethoxycarbonyl-4,5-dihydro-indol 13711-51-8 C26H25NO3
    5-Oxo-2-methyl-4,4-dibenzyl-3-ethoxycarbonyl-4,5-dihydro-indol
    —— 5-(4-((6-chloropyridin-3-yl)sulfonyl)-3,4-dihydro-2H-benzo[b][1,4]oxazin-6-yl)thiophene-2-carbonitrile 1307228-23-4 C18H12ClN3O3S2
    5-(4-((6-chloropyridin-3-yl)sulfonyl)-3,4-dihydro-2H-benzo[b][1,4]oxazin-6-yl)thiophene-2-carbonitrile
    —— 5-<(5,5-Dimethyl-2-pyrrolidinyliden)ethyliden>-3-ethyl-rhodanin 20892-58-4 C13H18N2OS2
    5-<(5,5-Dimethyl-2-pyrrolidinyliden)ethyliden>-3-ethyl-rhodanin
    —— 5-[1-Pyridin-4-yl-meth-(E)-ylidene]-5,6,7,8-tetrahydro-naphthalen-2-ol 10174-18-2 C16H15NO
    5-[1-Pyridin-4-yl-meth-(E)-ylidene]-5,6,7,8-tetrahydro-naphthalen-2-ol
    —— (5-chloro-6-oxo-1-phenyl-1,6-dihydro-pyridazin-4-yl)-thiocarbamic acid <i>S</i>-phenyl ester 16461-91-9 C17H12ClN3O2S
    (5-chloro-6-oxo-1-phenyl-1,6-dihydro-pyridazin-4-yl)-thiocarbamic acid <i>S</i>-phenyl ester
    —— 5-hydroxy-4-(3-nitrobenzoyloxy)-2,6,6-trimethyl-2-cyclohepten-1-one 149897-77-8 C17H19NO6
    5-hydroxy-4-(3-nitrobenzoyloxy)-2,6,6-trimethyl-2-cyclohepten-1-one
    —— (5Z,7E,22E)-(1S,3R,24S)-25-(4-propylthiazol-2-yl)-26,27-cyclo-9,10-secocholesta-5,7,10(19),22-tetraene-1,3,24-triol 198759-07-8 C33H47NO3S
    (5Z,7E,22E)-(1S,3R,24S)-25-(4-propylthiazol-2-yl)-26,27-cyclo-9,10-secocholesta-5,7,10(19),22-tetraene-1,3,24-triol
    —— 5-[2-(2-fluoro-4-iodophenylamino)thieno[2,3-b]pyridine-3-carbonyl]hexahydropyrrolo[3,4-c]pyrrole-2-carboxylic acid terf-butyl ester 1202067-19-3 C25H26FIN4O3S
    5-[2-(2-fluoro-4-iodophenylamino)thieno[2,3-b]pyridine-3-carbonyl]hexahydropyrrolo[3,4-c]pyrrole-2-carboxylic acid terf-butyl ester
    —— [5-(2-chloro-phenyl)-[1,3,4]oxadiazol-2-ylamino]-methanol 67454-90-4 C9H8ClN3O2
    [5-(2-chloro-phenyl)-[1,3,4]oxadiazol-2-ylamino]-methanol