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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5α-Acetamino-3β,6β-diacetoxy-cholestan 14956-07-1 C33H55NO5
    5α-Acetamino-3β,6β-diacetoxy-cholestan
    —— 5-acetoxy-3-methyl-2-methylene-2,3-dihydro-imidazol-4-one 22509-09-7 C7H8N2O3
    5-acetoxy-3-methyl-2-methylene-2,3-dihydro-imidazol-4-one
    —— 5,5'-(2-pyridyl)methylenebis-(6-methylamino-3-methyluracil) 75427-48-4 C18H21N7O4
    5,5'-(2-pyridyl)methylenebis-(6-methylamino-3-methyluracil)
    —— 5-methoxy-3,8,9-trimethylphenanthridin-6(5H)-one 1351479-57-6 C17H17NO2
    5-methoxy-3,8,9-trimethylphenanthridin-6(5H)-one
    —— 5-ethoxy-3-methyl-1-naphthol acetate 86432-40-8 C15H16O3
    5-ethoxy-3-methyl-1-naphthol acetate
    —— (5S,6S,10S)-ethyl 10-(2-methoxyphenyl)-4,8-dioxo-3-phenyl-2-thioxo-1-thia-3-azaspiro[4.5]decane-6-carboxylate 1397692-10-2 C24H23NO5S2
    (5S,6S,10S)-ethyl 10-(2-methoxyphenyl)-4,8-dioxo-3-phenyl-2-thioxo-1-thia-3-azaspiro[4.5]decane-6-carboxylate
    —— 5,11-dichloro-2,2-difluoro-8-phenyl-4,12-bis(1H-pyrrol-2-yl)-3-aza-1-azonia-2-boranuidatricyclo[7.3.0.03,7]dodeca-1(12),4,6,8,10-pentaene 1582309-29-2 C23H15BCl2F2N4
    5,11-dichloro-2,2-difluoro-8-phenyl-4,12-bis(1H-pyrrol-2-yl)-3-aza-1-azonia-2-boranuidatricyclo[7.3.0.03,7]dodeca-1(12),4,6,8,10-pentaene
    —— 5-bromo-2-methylpyrazolo[4,3-b]pyridine 1563177-30-9 C7H6BrN3
    5-bromo-2-methylpyrazolo[4,3-b]pyridine
    —— 5-[2-[3,6-Diethyl-2-methyl-3,6-dihydro-imidazo[4,5-f]quinolin-(9E)-ylidene]-eth-(E)-ylidene]-3-ethyl-2-thioxo-thiazolidin-4-one 29608-64-8 C22H24N4OS2
    5-[2-[3,6-Diethyl-2-methyl-3,6-dihydro-imidazo[4,5-f]quinolin-(9E)-ylidene]-eth-(E)-ylidene]-3-ethyl-2-thioxo-thiazolidin-4-one
    —— 5,6-dichloro-2-(1-morpholin-4-ylmethyl-2,6-dioxo-piperidin-3-yl)-isoindole-1,3-dione 14583-38-1 C18H17Cl2N3O5
    5,6-dichloro-2-(1-morpholin-4-ylmethyl-2,6-dioxo-piperidin-3-yl)-isoindole-1,3-dione
    —— [5-Chloro-1-(6,13-dithia-5,7,12,14-tetraaza-pentacen-2-yl)-3-methyl-1H-pyrazol-4-yl]-(5-chloro-2-methyl-phenyl)-diazene 40158-09-6 C27H16Cl2N8S2
    [5-Chloro-1-(6,13-dithia-5,7,12,14-tetraaza-pentacen-2-yl)-3-methyl-1H-pyrazol-4-yl]-(5-chloro-2-methyl-phenyl)-diazene
    —— 5-<4-Acetamino-benzolsulfonyl>-4-hydroxy-2-methyl-4,5-borazaro-thieno<2,3-c>pyridin 36165-67-0 C14H14BN3O4S2
    5-<4-Acetamino-benzolsulfonyl>-4-hydroxy-2-methyl-4,5-borazaro-thieno<2,3-c>pyridin
    —— 5-Cyan-2-<4'-cyan-phenyl>-2.3-dihydro-thionaphthen-1.1-dioxid 27783-68-2 C16H10N2O2S
    5-Cyan-2-<4'-cyan-phenyl>-2.3-dihydro-thionaphthen-1.1-dioxid
    —— 5-methylbenzofuran-6-carboxylic acid 1312556-73-2 C10H8O3
    5-methylbenzofuran-6-carboxylic acid
    —— 5-methyl-2-((4-methylpiperazin-1-yl)methyl)-4-(((3-phenyl-1H-pyrazol-4-yl)methylene)amino)-2,4-dihydro-3H-1,2,4-triazole-3-thione 1187037-87-1 C19H24N8S
    5-methyl-2-((4-methylpiperazin-1-yl)methyl)-4-(((3-phenyl-1H-pyrazol-4-yl)methylene)amino)-2,4-dihydro-3H-1,2,4-triazole-3-thione
    —— 5,7-dibenzyloxy-1-(3,4,5-trimethoxybenzyl)-3,4-dihydroisoquinoline hydrochloride 82775-56-2 C33H33NO5*ClH
    5,7-dibenzyloxy-1-(3,4,5-trimethoxybenzyl)-3,4-dihydroisoquinoline hydrochloride
    —— 5-(2-(methyl)phenyl)tetrazolo[5,1-a]isoquinoline 1192717-15-9 C16H12N4
    5-(2-(methyl)phenyl)tetrazolo[5,1-a]isoquinoline
    —— 5-butylthio-2-tholato-1,3,4-thiadiazole chlorocarbonylbis(triphenylphopshine)ruthenium(II) 118613-24-4 C43H39ClN2OP2RuS3
    5-butylthio-2-tholato-1,3,4-thiadiazole chlorocarbonylbis(triphenylphopshine)ruthenium(II)
    —— 5,8a-Dimethyl-2-(methylamino)-8,8a-dihydro-6H-[1,3,4]thiadiazolo[2,3-c][1,4]thiazin-4-ium chloride 55851-69-9 C8H14ClN3S2
    5,8a-Dimethyl-2-(methylamino)-8,8a-dihydro-6H-[1,3,4]thiadiazolo[2,3-c][1,4]thiazin-4-ium chloride
    —— 5-(3-(ethylsulfonyl)phenyl)-3,8-dimethyl-N-(1-methylpiperidin-4-yl)-9H-pyrido[2,3-b]indole-7-carboxamide tartrate 1020203-93-3 C4H6O6*C28H32N4O3S
    5-(3-(ethylsulfonyl)phenyl)-3,8-dimethyl-N-(1-methylpiperidin-4-yl)-9H-pyrido[2,3-b]indole-7-carboxamide tartrate
    —— 5,7-dichlorobenzofuran-3-carbohydrazide 1365915-97-4 C9H6Cl2N2O2
    5,7-dichlorobenzofuran-3-carbohydrazide
    —— 5-[Bis-(2-methoxy-ethyl)-sulfamoyl]-2-phenylmethanesulfinyl-benzoic acid 28175-33-9 C20H25NO7S2
    5-[Bis-(2-methoxy-ethyl)-sulfamoyl]-2-phenylmethanesulfinyl-benzoic acid
    —— 5-(3-fluoro-4-hydroxyphenyl)pyrimidin-4(3H)-one 960298-71-9 C10H7FN2O2
    5-(3-fluoro-4-hydroxyphenyl)pyrimidin-4(3H)-one
    —— 5,6,7-Trimethoxy-2-acetamido-1-tetralon 24055-18-3 C15H19NO5
    5,6,7-Trimethoxy-2-acetamido-1-tetralon
    —— (5R,8aR)-5-hydroxy-2,3,5,6,8,8a-hexahydro-chromenen-7-one 951790-02-6 C9H12O3
    (5R,8aR)-5-hydroxy-2,3,5,6,8,8a-hexahydro-chromenen-7-one
    —— 5,6-trans-1α-Hydroxyvitamin D2 3-acetate 73809-46-8 C30H46O3
    5,6-trans-1α-Hydroxyvitamin D2 3-acetate
    —— 5-(5-hydroxylpent-1(E)-enyl)-1-(3,5-diacetyl-2-fluoro-2-deoxy-1-β-D-ribofuranosyl)uracil 809232-60-8 C18H23FN2O8
    5-(5-hydroxylpent-1(E)-enyl)-1-(3,5-diacetyl-2-fluoro-2-deoxy-1-β-D-ribofuranosyl)uracil
    —— 5-[2-(trifluoroacetylamino)ethylaminocarbonylmethyl]-2’-deoxyuridine 170981-21-2 C15H19F3N4O7
    5-[2-(trifluoroacetylamino)ethylaminocarbonylmethyl]-2’-deoxyuridine
    —— 5-<2-(4,5-dihydro-1H-imidazol-2-yl)phenyl>-10,11-dihydro-5H-dibenzo<a,d>cycloheptan-5-ol 83634-02-0 C24H22N2O
    5-<2-(4,5-dihydro-1H-imidazol-2-yl)phenyl>-10,11-dihydro-5H-dibenzo<a,d>cycloheptan-5-ol
    —— 5-(2-Biphenylyl)-5-ethoxy-10,11-dihydro-5H-dibenzo<a,d>cyclohepten 120788-46-7 C29H26O
    5-(2-Biphenylyl)-5-ethoxy-10,11-dihydro-5H-dibenzo<a,d>cyclohepten
    —— 5-Cyan-2-<3'-cyan-phenyl>-thionaphthen 27047-37-6 C16H8N2S
    5-Cyan-2-<3'-cyan-phenyl>-thionaphthen
    —— (5RS,6RS)-p-nitrobenzyl 6-methyl-7-oxo-1-azabicyclo<3.2.0>hept-2-ene-2-carboxylate 130711-91-0 C15H14N2O5
    (5RS,6RS)-p-nitrobenzyl 6-methyl-7-oxo-1-azabicyclo<3.2.0>hept-2-ene-2-carboxylate
    —— 5-Diethylamino-oct-3-yn-2-ol 26981-36-2 C12H23NO
    5-Diethylamino-oct-3-yn-2-ol
    —— 5-methoxy-3-methyl-2-(4-nitro-benzenesulfonyl)-2<i>H</i>-indazole-4,7-dione 33229-13-9 C15H11N3O7S
    5-methoxy-3-methyl-2-(4-nitro-benzenesulfonyl)-2<i>H</i>-indazole-4,7-dione
    —— 5,6-Dihydro-4-(α-hydroxy-2-nitrobenzyl)-2H-pyran-3(4H)-on 94411-54-8 C12H13NO5
    5,6-Dihydro-4-(α-hydroxy-2-nitrobenzyl)-2H-pyran-3(4H)-on
    —— 5-Dipiperidinomethyl-1-cyclohexyl-tetrazol 37468-97-6 C18H32N6
    5-Dipiperidinomethyl-1-cyclohexyl-tetrazol
    —— 5-[2-bromo-3-(2-nitro-phenyl)-allylidene]-2-thioxo-thiazolidin-4-one 37530-50-0 C12H7BrN2O3S2
    5-[2-bromo-3-(2-nitro-phenyl)-allylidene]-2-thioxo-thiazolidin-4-one
    —— 5-chloro-7-methyl-1-(cyclopropanyl)-1H-indole-3-carboxaldehyde 1350761-08-8 C13H12ClNO
    5-chloro-7-methyl-1-(cyclopropanyl)-1H-indole-3-carboxaldehyde
    —— 5-chloromethyl-3-(4-imidazol-1-ylmethyl-phenyl)-isoxazole 1105059-99-1 C14H12ClN3O
    5-chloromethyl-3-(4-imidazol-1-ylmethyl-phenyl)-isoxazole
    —— (5,7-dibromo-1,1-dioxo-1,2(4)-dihydro-1λ<sup>6</sup>-benzo[1,2,4]thiadiazin-3-yloxy)-acetic acid ethyl ester 70089-88-2 C11H10Br2N2O5S
    (5,7-dibromo-1,1-dioxo-1,2(4)-dihydro-1λ<sup>6</sup>-benzo[1,2,4]thiadiazin-3-yloxy)-acetic acid ethyl ester
    —— (5Z)-2,2-diethyl-5-ethylidene-4-vinylcyclopent-3-enone 1030826-00-6 C13H18O
    (5Z)-2,2-diethyl-5-ethylidene-4-vinylcyclopent-3-enone
    —— 5-Amino-4-(2-fluoro-3-methoxy-phenyl)-2-methylsulfanyl-thieno[2,3-d]pyrimidine-6-carboxylic acid 898254-67-6 C15H12FN3O3S2
    5-Amino-4-(2-fluoro-3-methoxy-phenyl)-2-methylsulfanyl-thieno[2,3-d]pyrimidine-6-carboxylic acid
    —— 5-(4-chlorophenyl)-3-(3,4,5-trimethoxyphenyl)-1H-imidazole-2-thione 1015477-04-9 C18H17ClN2O3S
    5-(4-chlorophenyl)-3-(3,4,5-trimethoxyphenyl)-1H-imidazole-2-thione
    —— 5-Methyl-2,4-diacetylanisol 32229-05-3 C12H14O3
    5-Methyl-2,4-diacetylanisol
    —— 5-ethoxy-7-phenyl-2,3-dihydro-pyrido[3,4-<i>d</i>]pyridazine-1,4-dione 39632-81-0 C15H13N3O3
    5-ethoxy-7-phenyl-2,3-dihydro-pyrido[3,4-<i>d</i>]pyridazine-1,4-dione
    —— 5-Oxo-3,4,5-triphenyl-pent-2-en-thiosaeure-dimethylamid 23932-17-4 C25H23NOS
    5-Oxo-3,4,5-triphenyl-pent-2-en-thiosaeure-dimethylamid
    —— [5-(2-fluoro-2-methyl-propyl)-2-methoxy-phenyl]-quinoxalin-6-yl-methanone 1097730-42-1 C20H19FN2O2
    [5-(2-fluoro-2-methyl-propyl)-2-methoxy-phenyl]-quinoxalin-6-yl-methanone
    —— 5-Thia-1-azabicyclo[4.2.0]octan-8-one, 7-amino-6-phenyl-, (6R-cis)- 22039-75-4 C12H14N2OS
    5-Thia-1-azabicyclo[4.2.0]octan-8-one, 7-amino-6-phenyl-, (6R-cis)-
    —— 5-benzoyl-4,5-dihydro-1,5-benzoxazepine 1296660-81-5 C16H13NO2
    5-benzoyl-4,5-dihydro-1,5-benzoxazepine
    —— (5-ethoxy-indol-3-yl)-acetic acid ethyl ester 857809-48-4 C14H17NO3
    (5-ethoxy-indol-3-yl)-acetic acid ethyl ester