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中文名称 英文名称 CAS号 化学式 结构式图片
—— 5-(prop-2-ynyloxy)pentanal 524067-85-4 C8H12O2
5-(prop-2-ynyloxy)pentanal
—— 5-bromo-3-methylpentan-2-one ethylene acetal 1124-91-0 C8H15BrO2
5-bromo-3-methylpentan-2-one ethylene acetal
—— (5-{2-[2-(2-Benzyloxy-phenyl)-acetylamino]-ethyl}-3-bromo-2-methoxy-phenyl)-carbamic acid ethyl ester 29547-21-5 C27H29BrN2O5
(5-{2-[2-(2-Benzyloxy-phenyl)-acetylamino]-ethyl}-3-bromo-2-methoxy-phenyl)-carbamic acid ethyl ester
—— 5-(4-isopropoxy-benzyl)-4-methyl-2-methylsulfanyl-6-piperidin-1-yl-pyrimidine 23892-05-9 C21H29N3OS
5-(4-isopropoxy-benzyl)-4-methyl-2-methylsulfanyl-6-piperidin-1-yl-pyrimidine
—— 5-(2-biphenyl-4-yl-vinyl)-2-(4-chloro-phenyl)-2<i>H</i>-benzo[1,2,3]triazole 38550-25-3 C26H18ClN3
5-(2-biphenyl-4-yl-vinyl)-2-(4-chloro-phenyl)-2<i>H</i>-benzo[1,2,3]triazole
—— 5,7-Dichlor-8-hydroxy-2-(2-morpholino-aethyl)-chinolin 24009-97-0 C15H16Cl2N2O2
5,7-Dichlor-8-hydroxy-2-(2-morpholino-aethyl)-chinolin
—— 5-diphenylphosphinoyl-6-hydroxy-3-methyl-6-phenylhexan-2-one ethylene acetal 104723-25-3 C27H31O4P
5-diphenylphosphinoyl-6-hydroxy-3-methyl-6-phenylhexan-2-one ethylene acetal
—— 5-acetyl-7-(2-methoxybenzoyl)- pyrrolo[1,2-b]pyridazine 1236228-78-6 C17H14N2O3
5-acetyl-7-(2-methoxybenzoyl)- pyrrolo[1,2-b]pyridazine
—— 5,10-dihydro-3-propylbenzo[g]isoquinoline 1072066-55-7 C16H17N
5,10-dihydro-3-propylbenzo[g]isoquinoline
—— 5-Cyano-4-methyl-2-oxo-6-(5-pyridin-3-yloxazol-4-yl)-3,6-dihydro-2H-pyrimidine-1-carboxylic acid ethylamide 464192-42-5 C17H16N6O3
5-Cyano-4-methyl-2-oxo-6-(5-pyridin-3-yloxazol-4-yl)-3,6-dihydro-2H-pyrimidine-1-carboxylic acid ethylamide
—— [5-[(5-bromo-1H-pyrrol-2-yl)-pyridin-3-ylmethyl]-1H-pyrrol-2-yl]-(4-ethylphenyl)methanol 1051918-70-7 C23H22BrN3O
[5-[(5-bromo-1H-pyrrol-2-yl)-pyridin-3-ylmethyl]-1H-pyrrol-2-yl]-(4-ethylphenyl)methanol
—— 5-(5-{(1S)-1-cyclopropyl-1-[5-(1-methyl-1H-pyrazol-4-yl)-1,2,4-oxadiazol-3-yl]ethyl}pyridin-2-yl)pyrimidin-2-amine 1369483-79-3 C20H20N8O
5-(5-{(1S)-1-cyclopropyl-1-[5-(1-methyl-1H-pyrazol-4-yl)-1,2,4-oxadiazol-3-yl]ethyl}pyridin-2-yl)pyrimidin-2-amine
—— (5α,8β)-4,5-epoxy-3-methoxy-17-methyl-8-[(1E)-2-phenylethenyl]morphinan-6-one 903893-76-5 C26H27NO3
(5α,8β)-4,5-epoxy-3-methoxy-17-methyl-8-[(1E)-2-phenylethenyl]morphinan-6-one
—— 5-dehydroepiandrosterone 2,4,6-tri-isopropylbenzenesulfonyl hydrazone 76421-22-2 C34H52N2O3S
5-dehydroepiandrosterone 2,4,6-tri-isopropylbenzenesulfonyl hydrazone
—— 5-(m-tolyl)-3-tosyloxazolidin-2-one 1236280-31-1 C17H17NO4S
5-(m-tolyl)-3-tosyloxazolidin-2-one
—— (+)-(5R,6S)-5-isopropyl-6-(4-methylphenylsulfonyl)amino-2-methyl-1-triisopropylsilyl(oxy)-cyclohex-1-ene 172605-69-5 C26H45NO3SSi
(+)-(5R,6S)-5-isopropyl-6-(4-methylphenylsulfonyl)amino-2-methyl-1-triisopropylsilyl(oxy)-cyclohex-1-ene
—— (5R,5aR,8aR,9S)-8a-chloro-9-(2,6-dichloro-3,4,5-trimethoxyphenyl)-8-oxo-5,5a,6,8,8a,9-hexahydrofuro[3',4':6,7]naphtho[2,3-d][1,3]dioxol-5-yl 2-(naphthalen-1-yl)acetate 1562421-42-4 C34H27Cl3O9
(5R,5aR,8aR,9S)-8a-chloro-9-(2,6-dichloro-3,4,5-trimethoxyphenyl)-8-oxo-5,5a,6,8,8a,9-hexahydrofuro[3',4':6,7]naphtho[2,3-d][1,3]dioxol-5-yl 2-(naphthalen-1-yl)acetate
—— (5-fluoro-6-(3-(trifluoromethyl)phenoxy)pyridin-3-yl)methanol 1369255-27-5 C13H9F4NO2
(5-fluoro-6-(3-(trifluoromethyl)phenoxy)pyridin-3-yl)methanol
—— (5R)-3-benzyl-5-(5-imidazolylmethyl)-2,4-imidazolidinedione 117365-13-6 C14H14N4O2
(5R)-3-benzyl-5-(5-imidazolylmethyl)-2,4-imidazolidinedione
—— 5-(2-(2-acetamidopyridin-4-yl)methylthiophenyl)-N-(4-trifluoromethoxyphenyl)-1,3,4-oxadiazol-2-amine 1043592-74-0 C23H18F3N5O3S
5-(2-(2-acetamidopyridin-4-yl)methylthiophenyl)-N-(4-trifluoromethoxyphenyl)-1,3,4-oxadiazol-2-amine
—— 5,5'-Dibromo-3,3'-di-tert-butyl-biphenyl-2,2'-diol 32750-20-2 C20H24Br2O2
5,5'-Dibromo-3,3'-di-tert-butyl-biphenyl-2,2'-diol
—— 5-dimethylamino-5-[(1',4'-dioxaspiro[4.4]non-6'-yl)methyl]-3-ethoxy-1,2-diphenyl-1,3-cyclopentadiene 856018-28-5 C29H35NO3
5-dimethylamino-5-[(1',4'-dioxaspiro[4.4]non-6'-yl)methyl]-3-ethoxy-1,2-diphenyl-1,3-cyclopentadiene
—— ((5Ξ,6Z,7S)-7-acetylamino-2,3,4-trimethoxy-5'-oxo-8,9-dihydro-7H,5'H-spiro[benzocycloheptene-5,2'-furan]-6-yliden)-acetic acid 111849-64-0 C21H23NO8
((5Ξ,6Z,7S)-7-acetylamino-2,3,4-trimethoxy-5'-oxo-8,9-dihydro-7H,5'H-spiro[benzocycloheptene-5,2'-furan]-6-yliden)-acetic acid
—— 5-(2-carboxy-3,4-dimethoxy-benzoyl)-6-methyl-7,8-dihydro-[1,3]dioxolo[<i>g</i>]isoquinolinium; iodide 66408-35-3 C21H20NO7*I
5-(2-carboxy-3,4-dimethoxy-benzoyl)-6-methyl-7,8-dihydro-[1,3]dioxolo[<i>g</i>]isoquinolinium; iodide
—— 5,11,17,23-tetramethoxy-25,26,27,28-tetrakis(trimethylammoniomethyl)calix<4>arene tetrachloride 139934-97-7 C48H72N4O4*4Cl
5,11,17,23-tetramethoxy-25,26,27,28-tetrakis(trimethylammoniomethyl)calix<4>arene tetrachloride
—— 5-[2-tert-butyl-5-(4-fluoro-phenyl)-1H-imidazol-4-yl]-3-(2,2-dimethyl-propyl)-3H-imidazo[4,5-b]pyridin-2-ylamine succinate 862507-25-3 C4H6O4*C24H29FN6
5-[2-tert-butyl-5-(4-fluoro-phenyl)-1H-imidazol-4-yl]-3-(2,2-dimethyl-propyl)-3H-imidazo[4,5-b]pyridin-2-ylamine succinate
—— 5-(((9-methyl-4-oxo-6,7-dihydro-4H-pyrimido[6,1-a]isoquinolin-2-yl)oxy)methyl)-2-((2-(trifluoromethyl)pyrimidin-5-yl)oxy)benzonitrile 1369254-06-7 C26H18F3N5O3
5-(((9-methyl-4-oxo-6,7-dihydro-4H-pyrimido[6,1-a]isoquinolin-2-yl)oxy)methyl)-2-((2-(trifluoromethyl)pyrimidin-5-yl)oxy)benzonitrile
—— 5-Methyl-4,5,6,7-tetrahydro-benzo[d]isoxazole-3-carboxylic acid [1-phenyl-meth-(Z)-ylidene]-hydrazide 1448-02-8 C16H17N3O2
5-Methyl-4,5,6,7-tetrahydro-benzo[d]isoxazole-3-carboxylic acid [1-phenyl-meth-(Z)-ylidene]-hydrazide
—— 5,6-Didehydro-3,6-dimethoxy-7β,17-dimethyl-4-hydroxy-morphinane 74466-76-5 C20H27NO3
5,6-Didehydro-3,6-dimethoxy-7β,17-dimethyl-4-hydroxy-morphinane
—— 5-Phenyl-2-(2-chinoxalinyl)-3-(p-tolylsulfonyl)-oxazolidin 36023-95-7 C24H21N3O3S
5-Phenyl-2-(2-chinoxalinyl)-3-(p-tolylsulfonyl)-oxazolidin
—— 5,10-Secoestran-3,5,10,17-tetron 98706-07-1 C18H24O4
5,10-Secoestran-3,5,10,17-tetron
—— 5-tert-Butyl-2-(dimethylcarbamoylimino)-1,3,4-thiadiazolin-3-carbonsaeuremethylester 66786-74-1 C11H18N4O3S
5-tert-Butyl-2-(dimethylcarbamoylimino)-1,3,4-thiadiazolin-3-carbonsaeuremethylester
—— 5-(2-Hydroxy-4-nitro-phenyl)-3H-[1,3,4]oxadiazole-2-thione 89899-04-7 C8H5N3O4S
5-(2-Hydroxy-4-nitro-phenyl)-3H-[1,3,4]oxadiazole-2-thione
—— (5Z,8Z,11Z,14Z)-Icosa-5,8,11,14-tetraenoic acid (5-methyl-pyridin-2-yl)-amide 28273-78-1 C26H38N2O
(5Z,8Z,11Z,14Z)-Icosa-5,8,11,14-tetraenoic acid (5-methyl-pyridin-2-yl)-amide
—— (5α)-4,5-epoxy-3,14-dihydroxy-6-ketomorphinane-17-carboxylic acid ethyl ester 144265-46-3 C19H21NO6
(5α)-4,5-epoxy-3,14-dihydroxy-6-ketomorphinane-17-carboxylic acid ethyl ester
—— 5-Pyridin-3-yl-1-(toluene-4-sulfonyl)-1H-indole 96546-83-7 C20H16N2O2S
5-Pyridin-3-yl-1-(toluene-4-sulfonyl)-1H-indole
—— (5α,6α)-7,8-Didehydro-6-hydroxy-4,5-epoxy-3-methoxy-17-morphinanpropionic acid 128023-03-0 C20H23NO5
(5α,6α)-7,8-Didehydro-6-hydroxy-4,5-epoxy-3-methoxy-17-morphinanpropionic acid
—— 5-(4-hydroxy-1-butyn-1-yl)-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)imidazole-4-carbonitrile 131195-11-4 C19H21N3O8
5-(4-hydroxy-1-butyn-1-yl)-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)imidazole-4-carbonitrile
—— 5,6-bis(bromomethyl)-2,2-bis(2-hydroxyethyl)isoindolin-2-ium 1360545-16-9 C14H20Br2NO2
5,6-bis(bromomethyl)-2,2-bis(2-hydroxyethyl)isoindolin-2-ium
—— 5-(N-2,3-diacetoxypropylacetamido)-2,4,6-triiodo-N-(2-acetoxyethyl)-isophthalamic acid chloride 111453-26-0 C21H22ClI3N2O9
5-(N-2,3-diacetoxypropylacetamido)-2,4,6-triiodo-N-(2-acetoxyethyl)-isophthalamic acid chloride
—— 5-Nitro-2-thio-uracil 51255-24-4 C4H3N3O3S
5-Nitro-2-thio-uracil
—— 5,15-<3,6-dimethoxy-p-benzoquinone-1,4-diylbis(4,1-butanediyl-2,1-benzeno)>-2,3,7,8,12,13,17,18-octamethylporphyrin 140188-25-6 C56H58N4O4
5,15-<3,6-dimethoxy-p-benzoquinone-1,4-diylbis(4,1-butanediyl-2,1-benzeno)>-2,3,7,8,12,13,17,18-octamethylporphyrin
—— 5-benzyl-2-phenyl-2H-[1,2,3]diazarsole 54124-02-6 C15H13AsN2
5-benzyl-2-phenyl-2H-[1,2,3]diazarsole
—— 5-chloro-N,N-dimethyl-6-nitrochroman-3-carboxamide 1269695-65-9 C12H13ClN2O4
5-chloro-N,N-dimethyl-6-nitrochroman-3-carboxamide
—— 5,10-dihydro-10-(m-dimethylamino)phenarsazine 64268-48-0 C20H19AsN2
5,10-dihydro-10-(m-dimethylamino)phenarsazine
—— 5-(2-hydroxy-3-chloro-propyl)-5-isobutyl barbituric acid 119197-30-7 C11H17ClN2O4
5-(2-hydroxy-3-chloro-propyl)-5-isobutyl barbituric acid
—— 5-<i>tert</i>-butyl-3-(2-chloro-4-methylamino-phenyl)-3<i>H</i>-[1,3,4]oxadiazol-2-one 34211-68-2 C13H16ClN3O2
5-<i>tert</i>-butyl-3-(2-chloro-4-methylamino-phenyl)-3<i>H</i>-[1,3,4]oxadiazol-2-one
—— 5-amino-3-cyano-4,7-dimethyl-2-oxo-1,2-dihydro-quinoline-6-carboxylic acid amide 35273-71-3 C13H12N4O2
5-amino-3-cyano-4,7-dimethyl-2-oxo-1,2-dihydro-quinoline-6-carboxylic acid amide
—— 5-naphtho[1,2-<i>d</i>][1,2,3]triazol-2-yl-2-[2-(1-<i>p</i>-tolyl-1<i>H</i>-pyrazol-4-yl)-vinyl]-benzonitrile 33080-16-9 C29H20N6
5-naphtho[1,2-<i>d</i>][1,2,3]triazol-2-yl-2-[2-(1-<i>p</i>-tolyl-1<i>H</i>-pyrazol-4-yl)-vinyl]-benzonitrile
—— 5-Methyl-7-(o-chlorbenzoyl)-8-hydroxychinolin 94502-04-2 C17H12ClNO2
5-Methyl-7-(o-chlorbenzoyl)-8-hydroxychinolin