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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-((E)-Hept-1-enyl)-1,3-dimethoxy-2-methyl-benzene 251361-21-4 C16H24O2
    5-((E)-Hept-1-enyl)-1,3-dimethoxy-2-methyl-benzene
    —— 5-[5-(3-(methyldithio)propionyl)indol-2-yl-carbonylamino]indole-2-carboxylic acid 501440-94-4 C22H20N4O4S2
    5-[5-(3-(methyldithio)propionyl)indol-2-yl-carbonylamino]indole-2-carboxylic acid
    —— 5-isopentyloximethyl-benzofuran-2-carboxylic acid-(2-diethylamino-ethyl ester) 115145-29-4 C21H31NO4
    5-isopentyloximethyl-benzofuran-2-carboxylic acid-(2-diethylamino-ethyl ester)
    —— 5-(2-hydroxymethyl-5-methyl-benzofuran-3-yl)-imidazolidine-2,4-dione 72988-00-2 C13H12N2O4
    5-(2-hydroxymethyl-5-methyl-benzofuran-3-yl)-imidazolidine-2,4-dione
    —— 5-isobutyryloxymethyl-3-(5-nitro-furan-2-ylmethyleneamino)-oxazolidin-2-one 23485-05-4 C13H15N3O7
    5-isobutyryloxymethyl-3-(5-nitro-furan-2-ylmethyleneamino)-oxazolidin-2-one
    —— 5-Benzyloxycarbonylamino-2,2-dibutyl-4-oxo-1,3-dioxane 108276-30-8 C20H29NO5
    5-Benzyloxycarbonylamino-2,2-dibutyl-4-oxo-1,3-dioxane
    —— 5,6-Dihydro-1,3,6-trimethylthiopyrano<2,3-c>pyrazol-4(1H)-on 33145-80-1 C9H12N2OS
    5,6-Dihydro-1,3,6-trimethylthiopyrano<2,3-c>pyrazol-4(1H)-on
    —— 5,5'-bis-methanesulfonyl-2,2'-thiophene-2,5-diyl-bis-benzooxazole 65999-98-6 C20H14N2O6S3
    5,5'-bis-methanesulfonyl-2,2'-thiophene-2,5-diyl-bis-benzooxazole
    —— 5,8-Nonadiin-1-sulfonylpiperidid 67448-75-3 C14H21NO2S
    5,8-Nonadiin-1-sulfonylpiperidid
    —— 5,10-Dimethyl-5H-dibenzo[a,d]cycloheptene 62870-17-1 C17H16
    5,10-Dimethyl-5H-dibenzo[a,d]cycloheptene
    —— (5-Mercapto-1,5-dimethyl-hexyl)-urea 63478-22-8 C9H20N2OS
    (5-Mercapto-1,5-dimethyl-hexyl)-urea
    —— (5-methylsulfanyl-2-phenyl-1,3-thiazol-4-yl)-triphenylphosphanium;iodide 76621-81-3 C28H23NPS2*I
    (5-methylsulfanyl-2-phenyl-1,3-thiazol-4-yl)-triphenylphosphanium;iodide
    —— (+/-)-5<i>exo</i>-<i>p</i>-tolylmercapto-norbornane-2<i>exo</i>,3<i>exo</i>-dicarboxylic acid-anhydride 130907-55-0 C16H16O3S
    (+/-)-5<i>exo</i>-<i>p</i>-tolylmercapto-norbornane-2<i>exo</i>,3<i>exo</i>-dicarboxylic acid-anhydride
    —— 5-bromo-2-iodo-1,3-di(propen-2-yl)benzene 1428236-25-2 C12H12BrI
    5-bromo-2-iodo-1,3-di(propen-2-yl)benzene
    —— 5,7-di-O-benzyl-4,6-O-isopropylidene-D-glycero-L-talo-heptitol 1305317-74-1 C24H32O7
    5,7-di-O-benzyl-4,6-O-isopropylidene-D-glycero-L-talo-heptitol
    —— 5-ethyl,3-methyl 4-(4,9-dimethoxy-5-oxo-5H-furo[3,2-g]chromen-6-yl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate 1151643-10-5 C25H25NO9
    5-ethyl,3-methyl 4-(4,9-dimethoxy-5-oxo-5H-furo[3,2-g]chromen-6-yl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
    —— 5-Hydroxy-N-methyl-2,4,6-triiodisophthalamidsaeure 57893-98-8 C9H6I3NO4
    5-Hydroxy-N-methyl-2,4,6-triiodisophthalamidsaeure
    —— [5-benzoyl-2,4-bis(2-methylphenyl)thiolan-3-yl]-phenylmethanone 87116-42-5 C32H28O2S
    [5-benzoyl-2,4-bis(2-methylphenyl)thiolan-3-yl]-phenylmethanone
    —— 5-Amino-2,4,6-triiod-1,3-benzoldipropionsaeure 54815-80-4 C12H12I3NO4
    5-Amino-2,4,6-triiod-1,3-benzoldipropionsaeure
    —— [5-ethoxycarbonyl-3-(2-carboxy-ethyl)-4-methyl-pyrrol-2-ylmethyl]-malonic acid 952000-08-7 C15H19NO8
    [5-ethoxycarbonyl-3-(2-carboxy-ethyl)-4-methyl-pyrrol-2-ylmethyl]-malonic acid
    —— 5-[3-(3-methoxyphenoxy)propyl-methylamino]-2-propan-2-yl-2-(4-propan-2-ylphenyl)pentanenitrile 120352-41-2 C28H40N2O2
    5-[3-(3-methoxyphenoxy)propyl-methylamino]-2-propan-2-yl-2-(4-propan-2-ylphenyl)pentanenitrile
    —— 5-[1-(2-Cyclohexyl-chroman-6-yl)-meth-(E)-ylidene]-thiazolidine-2,4-dione 109209-02-1 C19H21NO3S
    5-[1-(2-Cyclohexyl-chroman-6-yl)-meth-(E)-ylidene]-thiazolidine-2,4-dione
    —— 5-((6-(4-bromophenyl)-2-(trifluoromethyl)imidazo[2,1-b][1,3,4]-thiadiazol-5-yl)methylene)thiazolidine-2,4-dione 1365994-46-2 C15H6BrF3N4O2S2
    5-((6-(4-bromophenyl)-2-(trifluoromethyl)imidazo[2,1-b][1,3,4]-thiadiazol-5-yl)methylene)thiazolidine-2,4-dione
    —— 5-Diisobutylaminomethyl-2-amino-1,3,4-oxadiazol 19473-61-1 C11H22N4O
    5-Diisobutylaminomethyl-2-amino-1,3,4-oxadiazol
    —— 5-((S)-1-acetylpyrrolidin-2-ylmethyl)-3H-1,2,3-triazole-4-carboxylic acid ethyl ester 1185885-04-4 C12H18N4O3
    5-((S)-1-acetylpyrrolidin-2-ylmethyl)-3H-1,2,3-triazole-4-carboxylic acid ethyl ester
    —— 5-[5-ethyl-1-(2-fluorophenyl)-1H-1,2,3-triazole-4-yl]-3-phenyl-1,2,4-oxadiazole 1166828-26-7 C18H14FN5O
    5-[5-ethyl-1-(2-fluorophenyl)-1H-1,2,3-triazole-4-yl]-3-phenyl-1,2,4-oxadiazole
    —— 5-bromo-2-(bromomethyl)-1,3-difluorobenzene-d<sub>2</sub> 1534373-24-4 C7H4Br2F2
    5-bromo-2-(bromomethyl)-1,3-difluorobenzene-d<sub>2</sub>
    —— 5,7,23,25-Tetrakis(hydroxymethyl)-2,11,20,29-tetrathia<3.3>(1,3)(1,2)<3.3>(4,5)(1,3)benzeno<3>phan 140410-14-6 C30H34O4S4
    5,7,23,25-Tetrakis(hydroxymethyl)-2,11,20,29-tetrathia<3.3>(1,3)(1,2)<3.3>(4,5)(1,3)benzeno<3>phan
    —— 5-(5-(4-(methoxymethyl)phenyl)-4-(piperidin-4-ylmethylamino)pyridin-2-ylamino)pyrazine-2-carbonitrile 1137477-98-5 C24H27N7O
    5-(5-(4-(methoxymethyl)phenyl)-4-(piperidin-4-ylmethylamino)pyridin-2-ylamino)pyrazine-2-carbonitrile
    —— 5-butyl-3-hydroxy-5-methyl-4-(p-tolyl)furan-2(5H)-one 1443055-28-4 C16H20O3
    5-butyl-3-hydroxy-5-methyl-4-(p-tolyl)furan-2(5H)-one
    —— 5β-Hydroxy-3β,17β-diacetoxy-β-noraetiocholansaeure-(6β)-lacton 106437-30-3 C23H32O6
    5β-Hydroxy-3β,17β-diacetoxy-β-noraetiocholansaeure-(6β)-lacton
    —— 5-(4-chlorophenyl)-N-(2-hydroxyethyl)-4-methyl-N-propyl-3-(4-sulphamoylphenyl)thiophene-2-carboxamide 1394372-66-7 C23H25ClN2O4S2
    5-(4-chlorophenyl)-N-(2-hydroxyethyl)-4-methyl-N-propyl-3-(4-sulphamoylphenyl)thiophene-2-carboxamide
    —— 5-methoxy-2-(4-methoxy-phenyl)-benzyl alcohol 854242-96-9 C15H16O3
    5-methoxy-2-(4-methoxy-phenyl)-benzyl alcohol
    —— 5'-O-(monomethoxytrityl)thymidine-{3'-{O<sup>P</sup>-[2-(pyridin-4-yl)ethyl]}-5'}-3'-O-acethylthymidine 322733-20-0 C49H52N5O14P
    5'-O-(monomethoxytrityl)thymidine-{3'-{O<sup>P</sup>-[2-(pyridin-4-yl)ethyl]}-5'}-3'-O-acethylthymidine
    —— 5-(1,1,2,2,2-Pentafluoroethyl)thiophene-2-carbaldehyde 2416237-46-0 C7H3F5OS
    5-(1,1,2,2,2-Pentafluoroethyl)thiophene-2-carbaldehyde
    —— 5α-Pregnantetrol-(3β,11β,20α,21) 53494-74-9 C21H36O4
    5α-Pregnantetrol-(3β,11β,20α,21)
    —— 5,9-anhydro-6,7,8,10-tetra-O-benzyl-2,4-dideoxy-1,2-N,O-isopropylidene-2-(tert-butoxycarbonylamino)-D-erythro-L-gulo-3-deculose 220542-32-5 C46H55NO9
    5,9-anhydro-6,7,8,10-tetra-O-benzyl-2,4-dideoxy-1,2-N,O-isopropylidene-2-(tert-butoxycarbonylamino)-D-erythro-L-gulo-3-deculose
    —— 5-oxo-6-undecynoic acid methyl ester 91765-46-7 C12H18O3
    5-oxo-6-undecynoic acid methyl ester
    —— 5,5'-bis-(butane-1-sulfonyl)-4,4'-di-<i>p</i>-tolyl-4<i>H</i>,4'<i>H</i>-3,3'-ethane-1,2-diyl-bis-[1,2,4]triazole 72752-44-4 C28H36N6O4S2
    5,5'-bis-(butane-1-sulfonyl)-4,4'-di-<i>p</i>-tolyl-4<i>H</i>,4'<i>H</i>-3,3'-ethane-1,2-diyl-bis-[1,2,4]triazole
    —— 5-bromo-3-[1-(5-bromo-1H-indol-3-yl)-3-cyclohexylpropyl]-1H-indole 1380108-68-8 C25H26Br2N2
    5-bromo-3-[1-(5-bromo-1H-indol-3-yl)-3-cyclohexylpropyl]-1H-indole
    —— 5-[2-(9-phenanthryl)ethynyl]-2-methoxy-1,1,3,3-tetramethylisoindoline 1067878-28-7 C29H27NO
    5-[2-(9-phenanthryl)ethynyl]-2-methoxy-1,1,3,3-tetramethylisoindoline
    —— [5-(4-chloro-phenyl)-[1,3,4]oxadiazol-2-ylamino]-methanol 67454-91-5 C9H8ClN3O2
    [5-(4-chloro-phenyl)-[1,3,4]oxadiazol-2-ylamino]-methanol
    —— (5S,9R,12S,15S,18S)-5-amino-15-benzyl-18-(tert-butoxycarbonyl)-2,2,9,14-tetramethyl-4,7,10,13,16-pentaoxo-12-(3-(3-((2,2,5,7,8-pentamethylchroman-6-yl)sulfonyl)guanidino)propyl)-3-oxa-8,11,14,17-tetraazaicosan-20-oic acid 868840-74-8 C49H74N8O13S
    (5S,9R,12S,15S,18S)-5-amino-15-benzyl-18-(tert-butoxycarbonyl)-2,2,9,14-tetramethyl-4,7,10,13,16-pentaoxo-12-(3-(3-((2,2,5,7,8-pentamethylchroman-6-yl)sulfonyl)guanidino)propyl)-3-oxa-8,11,14,17-tetraazaicosan-20-oic acid
    —— 5-methyl-2-(4-methylphenyl)-3-[4-[4-(4-methylphenyl)-1,3-thiazol-2-yl]-1,3-thiazol-2-yl]-1,3-thiazolidin-4-one 139447-31-7 C24H21N3OS3
    5-methyl-2-(4-methylphenyl)-3-[4-[4-(4-methylphenyl)-1,3-thiazol-2-yl]-1,3-thiazol-2-yl]-1,3-thiazolidin-4-one
    —— 5-Iodo-7-(2',3',5'-tri-O-acetyl-β-D-ribofuranosyl)-7H-<1,2,4>triazolo<3,4-i>purine 173061-27-3 C17H17IN6O7
    5-Iodo-7-(2',3',5'-tri-O-acetyl-β-D-ribofuranosyl)-7H-<1,2,4>triazolo<3,4-i>purine
    —— 5-(1,3-dimethyl-1H-pyrrol-2-yl)-1-(2-fluoro-4-methoxyphenyl)-3-methyl-1H-pyrazole-4-carbonitrile 1290138-49-6 C18H17FN4O
    5-(1,3-dimethyl-1H-pyrrol-2-yl)-1-(2-fluoro-4-methoxyphenyl)-3-methyl-1H-pyrazole-4-carbonitrile
    —— 5-Hydroxy-8-phenyl-octansaeurelacton 108851-91-8 C14H18O2
    5-Hydroxy-8-phenyl-octansaeurelacton
    —— 5-fluoro-3-methyl-2-(5-(3-methylbenzothiazol-2(3H)-ylidene)penta-1,3-dien-1-yl)benzothiazol-3-ium chloride 1403363-54-1 C21H18FN2S2*Cl
    5-fluoro-3-methyl-2-(5-(3-methylbenzothiazol-2(3H)-ylidene)penta-1,3-dien-1-yl)benzothiazol-3-ium chloride
    —— 5-Amino-7-{3-[amino-(1-hydroxycyclopropyl)methyl]pyrrolidin-1-yl}-1-cyclopropyl-6-fluoro-8-methoxy-1H-quinazoline-2,4-dione 479089-18-4 C20H26FN5O4
    5-Amino-7-{3-[amino-(1-hydroxycyclopropyl)methyl]pyrrolidin-1-yl}-1-cyclopropyl-6-fluoro-8-methoxy-1H-quinazoline-2,4-dione
    —— 5-ethyl-4,4-difluoro-2,4-dihydro-3H-pyrazol-3-one 1246931-22-5 C5H6F2N2O
    5-ethyl-4,4-difluoro-2,4-dihydro-3H-pyrazol-3-one