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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-butyl-5-ethyl-2,2-dimethyl-[1,3,2]dioxasilinane 18002-55-6 C11H24O2Si
    5-butyl-5-ethyl-2,2-dimethyl-[1,3,2]dioxasilinane
    —— 5-Chloromethyl-1,3-bis-(2-trimethylsilanyl-ethoxymethyl)-1,3-dihydro-benzo[1,2,5]thiadiazole 2,2-dioxide 187275-03-2 C19H35ClN2O4SSi2
    5-Chloromethyl-1,3-bis-(2-trimethylsilanyl-ethoxymethyl)-1,3-dihydro-benzo[1,2,5]thiadiazole 2,2-dioxide
    —— 5-{1-[4-difluoromethyl-6-(6-trifluoromethylpyridin-3-yl)pyrimidin-2-yl]-1H-imidazol-4-yl}pyridin-2-ylamine 1068107-19-6 C19H12F5N7
    5-{1-[4-difluoromethyl-6-(6-trifluoromethylpyridin-3-yl)pyrimidin-2-yl]-1H-imidazol-4-yl}pyridin-2-ylamine
    —— 5-Nitroso-2-amino-6-hydroxy-4-ribitylamino-pyrimidin 90769-50-9 C9H15N5O6
    5-Nitroso-2-amino-6-hydroxy-4-ribitylamino-pyrimidin
    —— 5-Brom-6-hydroxy-2-<2,4-dichlor-benzylmercapto>-pyrimidin 99972-13-1 C11H7BrCl2N2OS
    5-Brom-6-hydroxy-2-<2,4-dichlor-benzylmercapto>-pyrimidin
    —— 5-Phenylmercapto-furfurol-<4-carboxy-anil> 88590-29-8 C18H13NO3S
    5-Phenylmercapto-furfurol-<4-carboxy-anil>
    —— (5S)-5-[2-(9-fluorenylmethyloxycarbonylamino)ethyl]-2,2-bis(trifluoromethyl)-5-methyl-1,3-dioxolan-4-one 637777-05-0 C23H19F6NO5
    (5S)-5-[2-(9-fluorenylmethyloxycarbonylamino)ethyl]-2,2-bis(trifluoromethyl)-5-methyl-1,3-dioxolan-4-one
    —— 5-methyl-8-(4-methyl-piperazin-1-yl)-4-oxo-1,4-dihydro-quinoline-2-carboxylic acid ethyl ester 947249-68-5 C18H23N3O3
    5-methyl-8-(4-methyl-piperazin-1-yl)-4-oxo-1,4-dihydro-quinoline-2-carboxylic acid ethyl ester
    —— 5-(4-Methanesulfonyl-phenyl)-2,3-diphenyl-1H-pyrrole 95320-63-1 C23H19NO2S
    5-(4-Methanesulfonyl-phenyl)-2,3-diphenyl-1H-pyrrole
    —— 5-Methyl-3-<1-semicarbazono-2-(pyridyl-(2)-amino)-ethyl>-isoxazol 91769-92-5 C12H14N6O2
    5-Methyl-3-<1-semicarbazono-2-(pyridyl-(2)-amino)-ethyl>-isoxazol
    —— 5-chloro-2-octyl-hex-4-enoic acid 101099-55-2 C14H25ClO2
    5-chloro-2-octyl-hex-4-enoic acid
    —— 5-dimethylamino-1<i>t</i>-[2]furyl-pent-1-en-3-one-<i>p</i>-tolylhydrazone; hydrochloride 111474-45-4 C18H23N3O*ClH
    5-dimethylamino-1<i>t</i>-[2]furyl-pent-1-en-3-one-<i>p</i>-tolylhydrazone; hydrochloride
    —— (+/-)-5<i>t</i>-ethyl-5<i>c</i>-hydroxy-(4a<i>r</i>,8a<i>c</i>)-octahydro-naphthalen-2-one 105540-66-7 C12H20O2
    (+/-)-5<i>t</i>-ethyl-5<i>c</i>-hydroxy-(4a<i>r</i>,8a<i>c</i>)-octahydro-naphthalen-2-one
    —— 5-<(3-Aethyl-5-jod-4-methyl-2-pyrrolyl)-methyl>-2,4-dimethyl-3-pyrrolyl-methylketon 102075-25-2 C16H21IN2O
    5-<(3-Aethyl-5-jod-4-methyl-2-pyrrolyl)-methyl>-2,4-dimethyl-3-pyrrolyl-methylketon
    —— (5S)-5-(hydroxymethyl)-3-(2-phenylethyl)-1,3-oxazolidin-2-one 1067242-38-9 C12H15NO3
    (5S)-5-(hydroxymethyl)-3-(2-phenylethyl)-1,3-oxazolidin-2-one
    —— 5-methoxy-1-[6-[2-[[5-methyl-2-(oxetan-3-yl)-3,4-dihydro-1H-isoquinolin-6-yl]methoxy]-3-(trifluoromethyl)phenyl]pyridin-2-yl]pyrazole-4-carboxylic acid 1579513-53-3 C31H29F3N4O5
    5-methoxy-1-[6-[2-[[5-methyl-2-(oxetan-3-yl)-3,4-dihydro-1H-isoquinolin-6-yl]methoxy]-3-(trifluoromethyl)phenyl]pyridin-2-yl]pyrazole-4-carboxylic acid
    —— 5-Nitroformyloxim-valerohydroxamsaeure 22975-46-8 C6H11N3O5
    5-Nitroformyloxim-valerohydroxamsaeure
    —— 5-bromo-1-cyclopentyl-6-methyl-4-oxo-1,4-dihydro-pyridine-3-carboxylic acid 1569650-27-6 C12H14BrNO3
    5-bromo-1-cyclopentyl-6-methyl-4-oxo-1,4-dihydro-pyridine-3-carboxylic acid
    —— 5-tert-butyl-1,3-diformyl-2-iodobenzene 946409-80-9 C12H13IO2
    5-tert-butyl-1,3-diformyl-2-iodobenzene
    —— 5-benzylidene-2,6-bis-(3-hydroxy-phenyl)-4-oxo-piperidine-3-carboxylic acid ethyl ester 115760-10-6 C27H25NO5
    5-benzylidene-2,6-bis-(3-hydroxy-phenyl)-4-oxo-piperidine-3-carboxylic acid ethyl ester
    —— 5α,13α,17β<i>H</i>-pregnane-3,11,20-trione 102571-60-8 C21H30O3
    5α,13α,17β<i>H</i>-pregnane-3,11,20-trione
    —— 5,7-dimethyl-2-(3-nitro-phenyl)-chroman-4-one 108897-78-5 C17H15NO4
    5,7-dimethyl-2-(3-nitro-phenyl)-chroman-4-one
    —— 5-phenyl-2-(<i>N</i>'-phenyl-ureido)-valeric acid 109733-16-6 C18H20N2O3
    5-phenyl-2-(<i>N</i>'-phenyl-ureido)-valeric acid
    —— 5-(benzyloxycarbonyl)-amino-3-(3-aminopropyl)-1H-indole-2-carboxylic acid hydrochloride 1046473-01-1 C20H21N3O4*ClH
    5-(benzyloxycarbonyl)-amino-3-(3-aminopropyl)-1H-indole-2-carboxylic acid hydrochloride
    —— 5-bromomethyl-6-(2-bromo-propyl)-benzo[1,3]dioxole 117885-71-9 C11H12Br2O2
    5-bromomethyl-6-(2-bromo-propyl)-benzo[1,3]dioxole
    —— 5β-benzyl-14β-butoxy-4,5α-epoxy-3-methoxy-17-methyl-morphinan-6-one hydrochloride 646033-08-1 C29H35NO4*ClH
    5β-benzyl-14β-butoxy-4,5α-epoxy-3-methoxy-17-methyl-morphinan-6-one hydrochloride
    —— 5-Chloro-2-[2-[4-[4-[2-(4-chloro-2-sulfophenyl)ethenyl]phenyl]phenyl]ethenyl]benzenesulfonic acid 139995-16-7 C28H20Cl2O6S2
    5-Chloro-2-[2-[4-[4-[2-(4-chloro-2-sulfophenyl)ethenyl]phenyl]phenyl]ethenyl]benzenesulfonic acid
    —— 5-(4'-chloro-4-ethylbiphen-3-yl)-4-hydroxycyclopent-2-enone 1227799-93-0 C19H17ClO2
    5-(4'-chloro-4-ethylbiphen-3-yl)-4-hydroxycyclopent-2-enone
    —— 5-(5-nitro-furan-2-yl)-1-<i>o</i>-tolyl-1<i>H</i>-tetrazole 15182-20-4 C12H9N5O3
    5-(5-nitro-furan-2-yl)-1-<i>o</i>-tolyl-1<i>H</i>-tetrazole
    —— 5-(2-nitro-1H-imidazol-1-ylmethyl)-2'-deoxythymidine 1404513-35-4 C13H15N5O7
    5-(2-nitro-1H-imidazol-1-ylmethyl)-2'-deoxythymidine
    —— 5-amino-3-(4-chlorophenyl)-3,4-dicyano-2,2-dimethyl-2,3-dihydro-oxole 112212-05-2 C14H12ClN3O
    5-amino-3-(4-chlorophenyl)-3,4-dicyano-2,2-dimethyl-2,3-dihydro-oxole
    —— 5-Methyl-2-phenyl-1-oxonia-pyrene 47266-49-9 C22H15O
    5-Methyl-2-phenyl-1-oxonia-pyrene
    —— 5-(Cyclopropylcarbonylamino)-2-(4-thiazolyl)-benzimidazol 27146-39-0 C14H12N4OS
    5-(Cyclopropylcarbonylamino)-2-(4-thiazolyl)-benzimidazol
    —— 5-amino-1-{2-fluoro-4-methyl-5-(2,2,2-trifluoroethylthio)phenyl}-3-(2,2,3,3,3-pentafluoropropoxy)pyrazole 1146685-32-6 C15H12F9N3OS
    5-amino-1-{2-fluoro-4-methyl-5-(2,2,2-trifluoroethylthio)phenyl}-3-(2,2,3,3,3-pentafluoropropoxy)pyrazole
    —— 5-(6-(2,4-dichlorophenoxy)pyridin-2-yl)-2-fluoro-N-(2-hydroxyethyl)benzamide 1185997-22-1 C20H15Cl2FN2O3
    5-(6-(2,4-dichlorophenoxy)pyridin-2-yl)-2-fluoro-N-(2-hydroxyethyl)benzamide
    —— 5-fluoro-3-iodo-1-[(3S)-tetrahydrofuran-3-yl]-1H-indazole 1613516-81-6 C11H10FIN2O
    5-fluoro-3-iodo-1-[(3S)-tetrahydrofuran-3-yl]-1H-indazole
    —— 5-tert-butyl-3-(2-chloro-benzyl)-7-[2-(2-methyl-2H-pyrazol-3-yl)-pyrrolidin-1-yl]-3H-[1,2,3]triazolo[4,5-d]pyrimidine 1433362-02-7 C23H27ClN8
    5-tert-butyl-3-(2-chloro-benzyl)-7-[2-(2-methyl-2H-pyrazol-3-yl)-pyrrolidin-1-yl]-3H-[1,2,3]triazolo[4,5-d]pyrimidine
    —— 5-chloro-2-[[(3,5-dimethoxybenzoyl)-(3-phenylpropyl)amino]methyl]-N-sulfamoyl-1,3-thiazole-4-carboxamide 1282546-42-2 C23H25ClN4O6S2
    5-chloro-2-[[(3,5-dimethoxybenzoyl)-(3-phenylpropyl)amino]methyl]-N-sulfamoyl-1,3-thiazole-4-carboxamide
    —— 5-(5-methyl-1-(pyrazin-2-ylmethyl)-1H-1,2,4-triazol-3-yl)-3-(4-(trifluoromethoxy)phenyl)-1,2,4-oxadiazole 1570495-51-0 C17H12F3N7O2
    5-(5-methyl-1-(pyrazin-2-ylmethyl)-1H-1,2,4-triazol-3-yl)-3-(4-(trifluoromethoxy)phenyl)-1,2,4-oxadiazole
    —— 5-benzoyl-1-benzyl-3-n-butyl-4-hydroxy-6-phenyl-pyridin-2(1H)-on 119022-36-5 C29H27NO3
    5-benzoyl-1-benzyl-3-n-butyl-4-hydroxy-6-phenyl-pyridin-2(1H)-on
    —— 5-tert-butyl-2-methyl-2-cyclopentenol 51036-44-3 C10H18O
    5-tert-butyl-2-methyl-2-cyclopentenol
    —— [5-[[5-(5-chloro-2-benzoxazolyl)-2-naphthalenyl]oxy]pentyl]propanedioic acid diethyl ester 654081-92-2 C29H30ClNO6
    [5-[[5-(5-chloro-2-benzoxazolyl)-2-naphthalenyl]oxy]pentyl]propanedioic acid diethyl ester
    —— 5-hydroxy-3-phenyl-cyclohex-3-enecarboxylic acid 107623-58-5 C13H14O3
    5-hydroxy-3-phenyl-cyclohex-3-enecarboxylic acid
    —— 5-dibenzo[<i>a,c</i>]phenazin-3-yl-isoxazole-3-carboxylic acid 102133-89-1 C24H13N3O3
    5-dibenzo[<i>a,c</i>]phenazin-3-yl-isoxazole-3-carboxylic acid
    —— 5-methyl-2-pentyl-4-phenyl-furan-3-carboxylic acid 101746-87-6 C17H20O3
    5-methyl-2-pentyl-4-phenyl-furan-3-carboxylic acid
    —— 5-Carboxymethyl-3-hydroxymethyl-azelainsaeure-diaethylester 113492-49-2 C16H28O7
    5-Carboxymethyl-3-hydroxymethyl-azelainsaeure-diaethylester
    —— 5-{3-[(2,4-Dinitro-phenyl)-hydrazono]-2,5,5,8a-tetramethyl-decahydro-naphthalen-1-yl}-3-hydroxy-3-methyl-pentanoic acid methyl ester 104948-67-6 C27H40N4O7
    5-{3-[(2,4-Dinitro-phenyl)-hydrazono]-2,5,5,8a-tetramethyl-decahydro-naphthalen-1-yl}-3-hydroxy-3-methyl-pentanoic acid methyl ester
    —— 5-p-Toluolsulfonylamino-3-cyclohexyl-1,2,4-triazol 97406-45-6 C15H20N4O2S
    5-p-Toluolsulfonylamino-3-cyclohexyl-1,2,4-triazol
    —— (5,8-dichloro-[1]naphthyloxy)-trimethyl-silane 18205-11-3 C13H14Cl2OSi
    (5,8-dichloro-[1]naphthyloxy)-trimethyl-silane
    —— 5-Hydroxy-11-oxa-tricyclo[6.2.1.0<sup>4,9</sup>]undeca-2,6-diene-3-carboxylic acid 91241-26-8 C11H12O4
    5-Hydroxy-11-oxa-tricyclo[6.2.1.0<sup>4,9</sup>]undeca-2,6-diene-3-carboxylic acid