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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-butoxy-6-butoxymethyl-2-thioxo-2,3-dihydro-1<i>H</i>-pyrimidin-4-one 100531-62-2 C13H22N2O3S
    5-butoxy-6-butoxymethyl-2-thioxo-2,3-dihydro-1<i>H</i>-pyrimidin-4-one
    —— 5-ethoxy-6-ethoxymethyl-1<i>H</i>-pyrimidine-2,4-dione 114036-67-8 C9H14N2O4
    5-ethoxy-6-ethoxymethyl-1<i>H</i>-pyrimidine-2,4-dione
    —— 5-benzoylamino-1-(2-fluorobenzyl)-4-imino-4,5-dihydro-pyrazolo<3,4-d>pyrimidine 154909-60-1 C19H15FN6O
    5-benzoylamino-1-(2-fluorobenzyl)-4-imino-4,5-dihydro-pyrazolo<3,4-d>pyrimidine
    —— 5-dimethylamino-1<i>t</i>-(5-nitro-[2]furyl)-pent-1-en-3-one thiosemicarbazone; hydrochloride 109016-44-6 C12H17N5O3S*ClH
    5-dimethylamino-1<i>t</i>-(5-nitro-[2]furyl)-pent-1-en-3-one thiosemicarbazone; hydrochloride
    —— 5β-pregnanedione-(3,11) 55146-29-7 C21H32O2
    5β-pregnanedione-(3,11)
    —— 5-fluoro-2-((1H-pyrrolo[2,3-b]pyridin-4-ylmethylamino)-N-(5-trifluoromethyl)-2-pyridinyl)-3-pyridinecarboxamide 935466-32-3 C20H14F4N6O
    5-fluoro-2-((1H-pyrrolo[2,3-b]pyridin-4-ylmethylamino)-N-(5-trifluoromethyl)-2-pyridinyl)-3-pyridinecarboxamide
    —— 5,10,15-(1,3,5-tris(benzenetripropionyl)tris(α,α,α-o-aminophenyl))-20-((α-o-pivalamidophenyl)porphyrinato)iron(II)(1-methylimidazole)(dioxygen) 85318-21-4 C68H58FeN10O6
    5,10,15-(1,3,5-tris(benzenetripropionyl)tris(α,α,α-o-aminophenyl))-20-((α-o-pivalamidophenyl)porphyrinato)iron(II)(1-methylimidazole)(dioxygen)
    —— (5R,1'S)-5-(1'-(dibenzylamino)-3'-methylbutyl)dihydrofuran-2(3H)-one 133148-54-6 C23H29NO2
    (5R,1'S)-5-(1'-(dibenzylamino)-3'-methylbutyl)dihydrofuran-2(3H)-one
    —— 5-Benzoyl-3,4-dimethyl-2-imino-4-thiazolin 57591-77-2 C12H12N2OS
    5-Benzoyl-3,4-dimethyl-2-imino-4-thiazolin
    —— [5-Methoxy-2-oxo-1,2-dihydro-indol-(3E)-ylidene]-acetic acid benzyl ester 174626-46-1 C18H15NO4
    [5-Methoxy-2-oxo-1,2-dihydro-indol-(3E)-ylidene]-acetic acid benzyl ester
    —— 5.5-Bis(phenylseleno)nonan 67808-79-1 C21H28Se2
    5.5-Bis(phenylseleno)nonan
    —— 5,6,7-trithiabicyclo[9.4.0]pentadeca-1(15),11,13-trien-2,9-diyne 116510-13-5 C12H8S3
    5,6,7-trithiabicyclo[9.4.0]pentadeca-1(15),11,13-trien-2,9-diyne
    —— 5-[(E)-(2-Methoxyphenyl)diazenyl]pyrimidine-2,4,6(1H,3H,5H)-trione 92265-26-4 C11H10N4O4
    5-[(E)-(2-Methoxyphenyl)diazenyl]pyrimidine-2,4,6(1H,3H,5H)-trione
    —— 5-fluoro-2-methoxyphenyl acetate 97677-93-5 C9H9FO3
    5-fluoro-2-methoxyphenyl acetate
    —— 5-oxo-4,5-dihydro-indolo[4,3-fg]quinoline-9-carboxylic acid 97338-63-1 C15H8N2O3
    5-oxo-4,5-dihydro-indolo[4,3-fg]quinoline-9-carboxylic acid
    —— 5-(2-bromo-3-ethoxy-allylidene)-3-methyl-2-thioxo-thiazolidin-4-one 37005-22-4 C9H10BrNO2S2
    5-(2-bromo-3-ethoxy-allylidene)-3-methyl-2-thioxo-thiazolidin-4-one
    —— 5-chloro-3-methyl-1-phenyl-4-p-tolylazo-1H-pyrazole 117257-85-9 C17H15ClN4
    5-chloro-3-methyl-1-phenyl-4-p-tolylazo-1H-pyrazole
    —— 5'-Trityl-5-fluor-2'-desoxy-uridin-3'-monophosphorsaeure 47815-19-0 C28H26FN2O8P
    5'-Trityl-5-fluor-2'-desoxy-uridin-3'-monophosphorsaeure
    —— 5-selenophen-2-ylmethylene-2-thioxo-thiazolidin-4-one 119151-21-2 C8H5NOS2Se
    5-selenophen-2-ylmethylene-2-thioxo-thiazolidin-4-one
    —— 5-(3-methoxy-phenyl)-7,8-dihydro-[1,3]dioxolo[4,5-<i>g</i>]isoquinoline 107275-14-9 C17H15NO3
    5-(3-methoxy-phenyl)-7,8-dihydro-[1,3]dioxolo[4,5-<i>g</i>]isoquinoline
    —— 5-((1S,3aR,3bR,6S,8aR,10aR)-6-Hydroxy-3a,3b,8a-trimethyl-hexadecahydro-dicyclopenta[a,f]naphthalen-1-yl)-5-methyl-dihydro-furan-2-one 103034-67-9 C24H38O3
    5-((1S,3aR,3bR,6S,8aR,10aR)-6-Hydroxy-3a,3b,8a-trimethyl-hexadecahydro-dicyclopenta[a,f]naphthalen-1-yl)-5-methyl-dihydro-furan-2-one
    —— 5'α-benzyl-12'-hydroxy-2'-isopropyl-2-iodo-(10α)-9,10-dihydro-ergotamane-18,3',6'-trione 124564-61-0 C35H40IN5O5
    5'α-benzyl-12'-hydroxy-2'-isopropyl-2-iodo-(10α)-9,10-dihydro-ergotamane-18,3',6'-trione
    —— 5-Methyl-1H-imidazole-4-sulfonyl chloride 2167622-42-4 C4H5ClN2O2S
    5-Methyl-1H-imidazole-4-sulfonyl chloride
    —— 5-amino-2-(4-benzyloxyphenyl)-1-cyclopentylbenzimidazole hydrochloride 347165-59-7 C25H25N3O*ClH
    5-amino-2-(4-benzyloxyphenyl)-1-cyclopentylbenzimidazole hydrochloride
    —— (5,5-dimethyl-pyrrolidin-2-yl)-phenyl-methanesulfonic acid 57625-25-9 C13H19NO3S
    (5,5-dimethyl-pyrrolidin-2-yl)-phenyl-methanesulfonic acid
    —— 5-oxo-3-thioxo-2,3,4,5-tetrahydro-[1,2,4]triazine-6-carboxylic acid <i>N</i>'-benzoyl-hydrazide 56616-52-5 C11H9N5O3S
    5-oxo-3-thioxo-2,3,4,5-tetrahydro-[1,2,4]triazine-6-carboxylic acid <i>N</i>'-benzoyl-hydrazide
    —— 5-Methyl-2-oxo-cyclohexanecarboxylic acid naphthalen-1-ylamide 58925-62-5 C18H19NO2
    5-Methyl-2-oxo-cyclohexanecarboxylic acid naphthalen-1-ylamide
    —— 5-Methyl-2-oxo-cyclohexanecarboxylic acid (4-bromo-phenyl)-amide 58925-66-9 C14H16BrNO2
    5-Methyl-2-oxo-cyclohexanecarboxylic acid (4-bromo-phenyl)-amide
    —— 5-(4-Chloro-phenyl)-3-oxo-cyclohex-4-ene-1,2-dicarboxylic acid 2-ethyl ester 57192-25-3 C16H15ClO5
    5-(4-Chloro-phenyl)-3-oxo-cyclohex-4-ene-1,2-dicarboxylic acid 2-ethyl ester
    —— 5,5-dimethyl-octa-1,6,7-trien-4-ol 20487-76-7 C10H16O
    5,5-dimethyl-octa-1,6,7-trien-4-ol
    —— 5,4'-Dichloro-2-hydroxy-biphenyl-3-carboxylic acid (2-chloro-5-nitro-phenyl)-amide 16128-93-1 C19H11Cl3N2O4
    5,4'-Dichloro-2-hydroxy-biphenyl-3-carboxylic acid (2-chloro-5-nitro-phenyl)-amide
    —— 5-acetylamino-3-methyl-2-methylsulfanyl-4-phenyl-thiazolium; iodide 41470-45-5 C13H15N2OS2*I
    5-acetylamino-3-methyl-2-methylsulfanyl-4-phenyl-thiazolium; iodide
    —— 5-butyl-2,3-diphenylcyclopenta[b]carbazol-1(5H)-one 1379746-15-2 C31H25NO
    5-butyl-2,3-diphenylcyclopenta[b]carbazol-1(5H)-one
    —— 5-hydroxy-5-(1-hydroxybutyl)furan-2(5H)-one 1348986-45-7 C8H12O4
    5-hydroxy-5-(1-hydroxybutyl)furan-2(5H)-one
    —— 5-(2,2,2-trifluoro-ethoxy)-pyridine-2-carboxylic acid [3-((4R,5R)-2-amino-5-fluoro-4-methyl-5,6-dihydro-4H-[1,3]oxazin-4-yl)-4-fluoro-phenyl]-amide 1402412-46-7 C19H17F5N4O3
    5-(2,2,2-trifluoro-ethoxy)-pyridine-2-carboxylic acid [3-((4R,5R)-2-amino-5-fluoro-4-methyl-5,6-dihydro-4H-[1,3]oxazin-4-yl)-4-fluoro-phenyl]-amide
    —— 5-Methyl-4,6,7,8,9,10-hexahydrothieno[3,2-c]azonine 113348-31-5 C11H17NS
    5-Methyl-4,6,7,8,9,10-hexahydrothieno[3,2-c]azonine
    —— 5-(4-cyanobenzoyl)-2-((2,3,4,6-tetra-O-acetyl-α-D-mannopyranos-1-yl)amino)thiazole 1444827-60-4 C25H25N3O10S
    5-(4-cyanobenzoyl)-2-((2,3,4,6-tetra-O-acetyl-α-D-mannopyranos-1-yl)amino)thiazole
    —— 5-Oxo-3-thioxo-6-methyl-4-(4-chlorphenyl)-2,3,4,5-tetrahydro-1,2,4-triazin 101862-46-8 C10H8ClN3OS
    5-Oxo-3-thioxo-6-methyl-4-(4-chlorphenyl)-2,3,4,5-tetrahydro-1,2,4-triazin
    —— 5-Oxo-1-(4-diethylamino-phenyl)-1,2,3,5-tetrahydro-imidazo<2,1-b>chinazolin 110571-05-6 C20H22N4O
    5-Oxo-1-(4-diethylamino-phenyl)-1,2,3,5-tetrahydro-imidazo<2,1-b>chinazolin
    —— 5-iodo-3-(2-aminopyrimidin-5-yl)isoxazole 862096-01-3 C7H5IN4O
    5-iodo-3-(2-aminopyrimidin-5-yl)isoxazole
    —— 5-phenyl-thiazolidine; hydrochloride 29184-43-8 C9H11NS*ClH
    5-phenyl-thiazolidine; hydrochloride
    —— 5-acetoxy-3-chlorotropolone 123844-36-0 C9H7ClO4
    5-acetoxy-3-chlorotropolone
    —— 5-(3,4-dimethoxyphenylsulfonamido)-N-hydroxybiphenyl-2-carboxamide 1148158-51-3 C21H20N2O6S
    5-(3,4-dimethoxyphenylsulfonamido)-N-hydroxybiphenyl-2-carboxamide
    —— 5-(S)-[5-(tert-butyl-dimethyl-silanyloxy)-4-cyclohexyl-2-(1-methoxy-ethyl)-7,7-dimethyl-5,6,7,8-tetrahydro-quinolin-3-yl]-(4-tert-butyl-phenyl)-methanol 1186525-99-4 C37H59NO3Si
    5-(S)-[5-(tert-butyl-dimethyl-silanyloxy)-4-cyclohexyl-2-(1-methoxy-ethyl)-7,7-dimethyl-5,6,7,8-tetrahydro-quinolin-3-yl]-(4-tert-butyl-phenyl)-methanol
    —— (+/-)-5-(3-difluoromethoxy-phenyl)-1-(4-chloro-phenyl)-3-(4-chloro-phenylamino)-1,5-dihydro-pyrrol-2-one 1192355-80-8 C23H16Cl2F2N2O2
    (+/-)-5-(3-difluoromethoxy-phenyl)-1-(4-chloro-phenyl)-3-(4-chloro-phenylamino)-1,5-dihydro-pyrrol-2-one
    —— 5-(4-chlorophenyl)-2-{[6-(2,3-dichlorophenyl)pyrimidin-4-yl]methyl}-4-[(2S)-3,3,3-trifluoro-2-hydroxypropyl]-2,4-dihydro-3H-1,2,4-triazol-3-one 1332502-17-6 C22H15Cl3F3N5O2
    5-(4-chlorophenyl)-2-{[6-(2,3-dichlorophenyl)pyrimidin-4-yl]methyl}-4-[(2S)-3,3,3-trifluoro-2-hydroxypropyl]-2,4-dihydro-3H-1,2,4-triazol-3-one
    —— 5-Ethoxy-2-methyl-4-triethylsilanyl-oxazole 284040-98-8 C12H23NO2Si
    5-Ethoxy-2-methyl-4-triethylsilanyl-oxazole
    —— (5-Hydroxy-2-methoxy-phenyl)-pyrrolidin-1-yl-methanone 1052106-91-8 C12H15NO3
    (5-Hydroxy-2-methoxy-phenyl)-pyrrolidin-1-yl-methanone
    —— 5-[2-[2-Methoxy-6-(methylamino)pyridin-3-yl]ethynyl]-4-methyl-6-(4-methylsulfonylphenyl)pyrimidin-2-amine 1207349-91-4 C21H21N5O3S
    5-[2-[2-Methoxy-6-(methylamino)pyridin-3-yl]ethynyl]-4-methyl-6-(4-methylsulfonylphenyl)pyrimidin-2-amine
    —— 5'-O-dimethoxytrityl-2'-[(dodecanoyl)amino]-2'-deoxyuridine-3'-O-(2-cyanoethyl-N,N-diisopropylphosphoramidite) 1092661-32-9 C51H70N5O9P
    5'-O-dimethoxytrityl-2'-[(dodecanoyl)amino]-2'-deoxyuridine-3'-O-(2-cyanoethyl-N,N-diisopropylphosphoramidite)