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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5,7,8-trimethoxy-6-methylisoquinoline N-oxide 123042-32-0 C13H15NO4
    5,7,8-trimethoxy-6-methylisoquinoline N-oxide
    —— 5-((S)-1-tert-butoxycarbonylpyrrolidin-2-ylmethyl)-3H-1,2,3-triazole-4-carboxylic acid benzyl ester 1185885-26-0 C20H26N4O4
    5-((S)-1-tert-butoxycarbonylpyrrolidin-2-ylmethyl)-3H-1,2,3-triazole-4-carboxylic acid benzyl ester
    —— 5-(3-Hydroxy-3-methyl-2-hydroxymethyl-propionylamino)-3-hydroxymethyl-N-(2,3-dihydroxypropyl)-2,4,6-triiodobenzamide 250781-10-3 C16H21I3N2O7
    5-(3-Hydroxy-3-methyl-2-hydroxymethyl-propionylamino)-3-hydroxymethyl-N-(2,3-dihydroxypropyl)-2,4,6-triiodobenzamide
    —— 5'-O-(4,4'-dimethoxytrityl)-2'-O-(propargyloxymethyl)uridine 1351786-52-1 C34H34N2O9
    5'-O-(4,4'-dimethoxytrityl)-2'-O-(propargyloxymethyl)uridine
    —— 5-[2-[(4R)-4-[(4-fluoro-5-methoxy-3-oxo-1H-isoindol-2-yl)methyl]-2,5-dioxoimidazolidin-4-yl]ethynyl]spiro[1,2-dihydroindene-3,5'-imidazolidine]-2',4'-dione 1226988-22-2 C26H20FN5O6
    5-[2-[(4R)-4-[(4-fluoro-5-methoxy-3-oxo-1H-isoindol-2-yl)methyl]-2,5-dioxoimidazolidin-4-yl]ethynyl]spiro[1,2-dihydroindene-3,5'-imidazolidine]-2',4'-dione
    —— 5,6-Dibrom-2,3-dimethyl-benzylchlorid 30252-17-6 C9H9Br2Cl
    5,6-Dibrom-2,3-dimethyl-benzylchlorid
    —— (5-ethoxy-1H-benzimidazol-2-yl)-(4-trifluoromethoxyphenyl)methanol 1351158-97-8 C17H15F3N2O3
    (5-ethoxy-1H-benzimidazol-2-yl)-(4-trifluoromethoxyphenyl)methanol
    —— 5-cyclopropyl-8-fluoro-1-(2-(4-fluorophenyl)acetyl)-2,3,5,6-tetrahydrobenzo[b][1,5]diazocin-4(1H)-one 1307894-15-0 C21H20F2N2O2
    5-cyclopropyl-8-fluoro-1-(2-(4-fluorophenyl)acetyl)-2,3,5,6-tetrahydrobenzo[b][1,5]diazocin-4(1H)-one
    —— 5-[((4-((Cyclohexylamino)carbonyl)phenylsulfonyl)amino)carbonyl]-3-methoxypyridine-2-carboxylic acid 171726-97-9 C21H23N3O7S
    5-[((4-((Cyclohexylamino)carbonyl)phenylsulfonyl)amino)carbonyl]-3-methoxypyridine-2-carboxylic acid
    —— 5,6-Dimethyl-9-isopropenylbicyclo<4.4.0>dec-1-en-3-on 58937-16-9 C15H22O
    5,6-Dimethyl-9-isopropenylbicyclo<4.4.0>dec-1-en-3-on
    —— 5-(methoxycarbonyl)pentyl 3,4-di-O-benzoyl-2-O-benzyl-α-L-fucopyranosyl-(1→2)-3,6-di-O-benzyl-4-O-methyl-β-D-galactopyranosyl-(1→3)-4,6-di-O-acetyl-2-azido-2-deoxy-α-D-galactopyranoside 1393599-62-6 C65H75N3O20
    5-(methoxycarbonyl)pentyl 3,4-di-O-benzoyl-2-O-benzyl-α-L-fucopyranosyl-(1→2)-3,6-di-O-benzyl-4-O-methyl-β-D-galactopyranosyl-(1→3)-4,6-di-O-acetyl-2-azido-2-deoxy-α-D-galactopyranoside
    —— 5-(1H-indol-5-yl)oxazole 144453-61-2 C11H8N2O
    5-(1H-indol-5-yl)oxazole
    —— 5-phenyl-7-piperidin-1-yl-1,3-dihydro-benzo[<i>e</i>][1,4]diazepin-2-one 30144-57-1 C20H21N3O
    5-phenyl-7-piperidin-1-yl-1,3-dihydro-benzo[<i>e</i>][1,4]diazepin-2-one
    —— 5-chloro-1,3-dimethyl-6-pyrimidin-2-ylamino-1<i>H</i>-pyrimidine-2,4-dione 24617-44-5 C10H10ClN5O2
    5-chloro-1,3-dimethyl-6-pyrimidin-2-ylamino-1<i>H</i>-pyrimidine-2,4-dione
    —— 5-(4-Methoxy-3-nitro-phenyl)-1,9,9-trimethyl-10-oxa-3,4,6-triaza-tricyclo[6.2.2.0<sup>2,7</sup>]dodeca-2,4,6-triene 6-oxide 68430-23-9 C18H20N4O5
    5-(4-Methoxy-3-nitro-phenyl)-1,9,9-trimethyl-10-oxa-3,4,6-triaza-tricyclo[6.2.2.0<sup>2,7</sup>]dodeca-2,4,6-triene 6-oxide
    —— 5-allyl-14-hydroxycodeinone 675876-89-8 C21H23NO4
    5-allyl-14-hydroxycodeinone
    —— 5-[5-Amino-6-[3-[4-[(oxolan-3-ylamino)methyl]phenyl]-1,2-oxazol-5-yl]pyrazin-2-yl]-1-propan-2-ylpyridin-2-one 1349731-55-0 C26H28N6O3
    5-[5-Amino-6-[3-[4-[(oxolan-3-ylamino)methyl]phenyl]-1,2-oxazol-5-yl]pyrazin-2-yl]-1-propan-2-ylpyridin-2-one
    —— 5-fluoro-6-nitro-1H-benzimidazole-2-amine 934333-20-7 C7H5FN4O2
    5-fluoro-6-nitro-1H-benzimidazole-2-amine
    —— 5,6-dimethoxy-2-methylindeno[1,2,3-ij]isoquinoline 1192763-58-8 C18H15NO2
    5,6-dimethoxy-2-methylindeno[1,2,3-ij]isoquinoline
    —— 5-(1'-(2-adamantylcarbamoyl)spiro[indoline-3,4'-piperidine]-1-yl)-3,3-dimethyl-5-oxopentanoic acid 1009374-25-7 C30H41N3O4
    5-(1'-(2-adamantylcarbamoyl)spiro[indoline-3,4'-piperidine]-1-yl)-3,3-dimethyl-5-oxopentanoic acid
    —— 5-amino-1-(4-tert-butylphenyl)carbonyl-3-(3-(1,3-oxazol-5-yl)phenylamino)-1H-1,2,4-triazole 929263-23-0 C22H22N6O2
    5-amino-1-(4-tert-butylphenyl)carbonyl-3-(3-(1,3-oxazol-5-yl)phenylamino)-1H-1,2,4-triazole
    —— 5-amino-1-(1H-indol-6-yl)carbonyl-3-(4-(2-(pyrrolidin-1-yl)ethoxy)phenylamino)-1H-1,2,4-triazole 929261-17-6 C23H25N7O2
    5-amino-1-(1H-indol-6-yl)carbonyl-3-(4-(2-(pyrrolidin-1-yl)ethoxy)phenylamino)-1H-1,2,4-triazole
    —— 5-(3-chloro-phenyl)-thiazole-4-carboxylic acid [1-(5-acetyl-furan-2-ylmethyl)-1H-pyrazol-4-yl]-amide 1163256-46-9 C20H15ClN4O3S
    5-(3-chloro-phenyl)-thiazole-4-carboxylic acid [1-(5-acetyl-furan-2-ylmethyl)-1H-pyrazol-4-yl]-amide
    —— 5-(diethoxymethyl)-3-hexyl-4,5-dihydro-1,2-oxazole 87074-51-9 C14H27NO3
    5-(diethoxymethyl)-3-hexyl-4,5-dihydro-1,2-oxazole
    —— {5'-[Bis-(4-tert-butyl-phenyl)-hydroxy-methyl]-4,4''-bis-trimethylsilanyl-[1,1';4',1'']terphenyl-2'-yl}-bis-(4-tert-butyl-phenyl)-methanol 635321-85-6 C66H82O2Si2
    {5'-[Bis-(4-tert-butyl-phenyl)-hydroxy-methyl]-4,4''-bis-trimethylsilanyl-[1,1';4',1'']terphenyl-2'-yl}-bis-(4-tert-butyl-phenyl)-methanol
    —— (+/-)-5<i>endo</i>-hydroxy-norbornane-2<i>endo</i>,3<i>endo</i>-dicarboxylic acid-2-butyl ester-3-lactone 63619-68-1 C13H18O4
    (+/-)-5<i>endo</i>-hydroxy-norbornane-2<i>endo</i>,3<i>endo</i>-dicarboxylic acid-2-butyl ester-3-lactone
    —— 5,5-Dimethoxy-7-oxabicyclo[4.1.0]hept-3-en-2-one 394736-36-8 C8H10O4
    5,5-Dimethoxy-7-oxabicyclo[4.1.0]hept-3-en-2-one
    —— 5-tert-Butyl-2,3-dimethyl-2,3-diaza-bicyclo<2.2.1>hepten-(5) 22700-82-9 C11H20N2
    5-tert-Butyl-2,3-dimethyl-2,3-diaza-bicyclo<2.2.1>hepten-(5)
    —— 5-(3-Bromo-4-methylphenyl)tetrazolidine 326912-89-4 C8H11BrN4
    5-(3-Bromo-4-methylphenyl)tetrazolidine
    —— (5Z)-5-{[3-(3-Fluoro-4-propoxyphenyl)-1-phenyl-1H-pyrazol-4-YL]methylene}-3-pentyl-2-thioxo-1,3-thiazolidin-4-one 623939-95-7 C27H28FN3O2S2
    (5Z)-5-{[3-(3-Fluoro-4-propoxyphenyl)-1-phenyl-1H-pyrazol-4-YL]methylene}-3-pentyl-2-thioxo-1,3-thiazolidin-4-one
    —— 5-[2-[2-[2-[2-[2-[2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]pentanoic acid 873109-82-1 C24H48O12
    5-[2-[2-[2-[2-[2-[2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]pentanoic acid
    —— 5-(2-Chlorobenzoyl)-2-hydroxy-benzeneacetic acid 99480-73-6 C15H11ClO4
    5-(2-Chlorobenzoyl)-2-hydroxy-benzeneacetic acid
    —— 5-fluoro-8-oxa-1-thia-3-aza-dibenzo[e,h]azulene-2-carbaldehyde 629642-30-4 C16H8FNO2S
    5-fluoro-8-oxa-1-thia-3-aza-dibenzo[e,h]azulene-2-carbaldehyde
    —— 5-Pyrrolidino-2-phenyl-1.3.4-oxadiazol 23767-47-7 C12H13N3O
    5-Pyrrolidino-2-phenyl-1.3.4-oxadiazol
    —— 5,6-dicyano-2,2-dihexyl-1,3-benzodioxole 293305-51-8 C21H28N2O2
    5,6-dicyano-2,2-dihexyl-1,3-benzodioxole
    —— (5S)-3-(2,2-dimethyl-3,6-dihydro-2H-pyran-4-yl)-7-(6-fluoro-3-pyridinyl)spiro[chromeno[2,3-c]pyridine-5,4'-[1,3]oxazol]-2'-amine 1335295-35-6 C26H23FN4O3
    (5S)-3-(2,2-dimethyl-3,6-dihydro-2H-pyran-4-yl)-7-(6-fluoro-3-pyridinyl)spiro[chromeno[2,3-c]pyridine-5,4'-[1,3]oxazol]-2'-amine
    —— 5-(4,6-dimethoxypyrimidin-2-yl)oxy-3-propoxycarbonyl-2-methylbenzofuran-4-carboxylic acid 155007-76-4 C20H20N2O8
    5-(4,6-dimethoxypyrimidin-2-yl)oxy-3-propoxycarbonyl-2-methylbenzofuran-4-carboxylic acid
    —— 5-[(3-chloro-2-nitrophenoxy)methyl]-2-phenyl-1H-[1,2,4]triazolo[1,5-a]pyrimidin-7-one 1227415-03-3 C18H12ClN5O4
    5-[(3-chloro-2-nitrophenoxy)methyl]-2-phenyl-1H-[1,2,4]triazolo[1,5-a]pyrimidin-7-one
    —— 5.6-Trimethylene-2-benzylidene-3-quinuclidone 141379-80-8 C17H19NO
    5.6-Trimethylene-2-benzylidene-3-quinuclidone
    —— 5-chloro-α-(4-tert-butoxycarbonylaminomethylphenyl)-2-neopentylaminobenzyl alcohol 214962-04-6 C24H33ClN2O3
    5-chloro-α-(4-tert-butoxycarbonylaminomethylphenyl)-2-neopentylaminobenzyl alcohol
    —— 5-{3-[4-(2,3-dihydrobenzo[1,4]dioxin-5-yl)piperazin-1-yl]-3-oxo-1-phenyl-propyl}pyrrolidin-2-one 957798-42-4 C25H29N3O4
    5-{3-[4-(2,3-dihydrobenzo[1,4]dioxin-5-yl)piperazin-1-yl]-3-oxo-1-phenyl-propyl}pyrrolidin-2-one
    —— 5'-O-Boc-3'-O-(N-Boc-L-valyl)-2'-deoxy-L-cytidine 816429-69-3 C24H38N4O9
    5'-O-Boc-3'-O-(N-Boc-L-valyl)-2'-deoxy-L-cytidine
    —— 5-[4-(2,7-di-tert-butyl-5-hydroxycarbonyl-9,9-dimethylxanthene)]-10,15,20-tris(pentafluorophenyl)porphyrinatocobalt(II) 1212020-78-4 C62H37CoF15N4O3
    5-[4-(2,7-di-tert-butyl-5-hydroxycarbonyl-9,9-dimethylxanthene)]-10,15,20-tris(pentafluorophenyl)porphyrinatocobalt(II)
    —— 5-methyl-3-naphthalen-2-ylimidazolidine-2,4-dione 93850-69-2 C14H12N2O2
    5-methyl-3-naphthalen-2-ylimidazolidine-2,4-dione
    —— 5-(2-((2R,3R,4R,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)acetamido)pentanoic acid 1632468-83-7 C13H23NO8
    5-(2-((2R,3R,4R,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)acetamido)pentanoic acid
    —— 5-(1-(4-hydroxy-2-oxo-2H-chromen-3-yl)ethylideneamino)pentanoic acid 1190596-97-4 C16H17NO5
    5-(1-(4-hydroxy-2-oxo-2H-chromen-3-yl)ethylideneamino)pentanoic acid
    —— 5-isobutyl-4-propyl-pyrrole-2,3-dicarboxylic acid-3-ethyl ester 101108-88-7 C15H23NO4
    5-isobutyl-4-propyl-pyrrole-2,3-dicarboxylic acid-3-ethyl ester
    —— (5S,1'S)-N-[1'-(2-Furyl)pentyl]-5-phenylmorpholin-2-one 182161-97-3 C19H23NO3
    (5S,1'S)-N-[1'-(2-Furyl)pentyl]-5-phenylmorpholin-2-one
    —— 5-Jod-isophthalsaeure-monobutylester-mononatriumsalz 4980-90-9 C12H12IO4*Na
    5-Jod-isophthalsaeure-monobutylester-mononatriumsalz
    —— 5'-deoxy-5'-[4-(α-L-arabinopyranosyloxymethyl)-1,2,3-triazol-1-yl]cytidine 1195960-73-6 C17H24N6O9
    5'-deoxy-5'-[4-(α-L-arabinopyranosyloxymethyl)-1,2,3-triazol-1-yl]cytidine