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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-Benzyliden-3'.3'-dimethyl-2.4-dioxo-tetrahydrofuran-3-spiro-2'-oxiran 75135-95-4 C14H12O4
    5-Benzyliden-3'.3'-dimethyl-2.4-dioxo-tetrahydrofuran-3-spiro-2'-oxiran
    —— 5-methoxy-2-selenocyanatomethyl-4-pyranone 675833-55-3 C8H7NO3Se
    5-methoxy-2-selenocyanatomethyl-4-pyranone
    —— 5-formyl-furan-2-carboxylic acid-O-4-fluorophenyl ester 685903-69-9 C12H7FO4
    5-formyl-furan-2-carboxylic acid-O-4-fluorophenyl ester
    —— [5-oxo-1-(toluene-4-sulfonyl)-1,3,4,5-tetrahydro-benzo[<i>cd</i>]indol-4-yl]-carbamic acid methyl ester 40380-72-1 C20H18N2O5S
    [5-oxo-1-(toluene-4-sulfonyl)-1,3,4,5-tetrahydro-benzo[<i>cd</i>]indol-4-yl]-carbamic acid methyl ester
    —— 5-Methyl-4-phenyl-3-(tetrahydro-pyran-2-yloxymethyl)-isoxazole 81282-15-7 C16H19NO3
    5-Methyl-4-phenyl-3-(tetrahydro-pyran-2-yloxymethyl)-isoxazole
    —— 5-O-tert-Butyldimethylsilyl-6-desoxy-2,3-O-isopropyliden-α-L-talofuranosylazid 114958-72-4 C15H29N3O4Si
    5-O-tert-Butyldimethylsilyl-6-desoxy-2,3-O-isopropyliden-α-L-talofuranosylazid
    —— 5-[5-(3-Fluoro-4-methoxy-phenyl)-3-trifluoromethyl-pyrazol-1-yl]-2-methanesulfonyl-pyridine 343628-72-8 C17H13F4N3O3S
    5-[5-(3-Fluoro-4-methoxy-phenyl)-3-trifluoromethyl-pyrazol-1-yl]-2-methanesulfonyl-pyridine
    —— 5-ξ-propenyl-thiophene-2-carbaldehyde semicarbazone 98997-13-8 C9H11N3OS
    5-ξ-propenyl-thiophene-2-carbaldehyde semicarbazone
    —— (5S,5'S)-5,5'-(diselanediylbis(methylene))bis(pyrrolidin-2-one) 1448621-63-3 C10H16N2O2Se2
    (5S,5'S)-5,5'-(diselanediylbis(methylene))bis(pyrrolidin-2-one)
    —— 5-[2-[4-cyano-1-[(2R,3S)-2-propyl-1-[3-(trifluoromethyl)pyridine-2-carbonyl]-3-[5-(trifluoromethyl)thiophen-3-yl]oxypiperidine-3-carbonyl]piperidin-4-yl]phenoxy]-2,2-dimethylpentanoic acid 1292304-88-1 C40H44F6N4O6S
    5-[2-[4-cyano-1-[(2R,3S)-2-propyl-1-[3-(trifluoromethyl)pyridine-2-carbonyl]-3-[5-(trifluoromethyl)thiophen-3-yl]oxypiperidine-3-carbonyl]piperidin-4-yl]phenoxy]-2,2-dimethylpentanoic acid
    —— 5-Chloro-2,6-dihydroxynicotinic acid 122380-17-0 C6H4ClNO4
    5-Chloro-2,6-dihydroxynicotinic acid
    —— 5-[(1R)-5-[(8-fluoro-1-methylsulfonyl-3,4-dihydro-2H-quinolin-4-yl)oxy]-2,3-dihydro-1H-inden-1-yl]-1,3-thiazolidine-2,4-dione 1235981-32-4 C22H21FN2O5S2
    5-[(1R)-5-[(8-fluoro-1-methylsulfonyl-3,4-dihydro-2H-quinolin-4-yl)oxy]-2,3-dihydro-1H-inden-1-yl]-1,3-thiazolidine-2,4-dione
    —— 5-fluoro-2-[2-(4-bromo-2-methyl-2,3-dihydroindol-1-yl)-2-oxoethyl]-3-methyl-6-morpholin-4-yl-3H-pyrimidin-4-one 1383976-77-9 C20H22BrFN4O3
    5-fluoro-2-[2-(4-bromo-2-methyl-2,3-dihydroindol-1-yl)-2-oxoethyl]-3-methyl-6-morpholin-4-yl-3H-pyrimidin-4-one
    —— 5-(3,4-Dichlorophenyl)-5-[3-(methanesulfonyloxy)propyl]-1-[3,5-bis(trifluoromethyl)benzyl]piperid-2-one 180614-55-5 C24H23Cl2F6NO4S
    5-(3,4-Dichlorophenyl)-5-[3-(methanesulfonyloxy)propyl]-1-[3,5-bis(trifluoromethyl)benzyl]piperid-2-one
    —— 5,5',5"-[1,3,6-Naphthalenetriyltris(sulfonylimino)]-triisophthalic acid hexakis(2-methoxyethyl)ester 67294-62-6 C52H59N3O24S3
    5,5',5"-[1,3,6-Naphthalenetriyltris(sulfonylimino)]-triisophthalic acid hexakis(2-methoxyethyl)ester
    —— (5R,8S)-7-[(2S)-2-{[(2S)-2-cyclohexyl-2-({[(2S)-5-oxopyrrolidin-2-yl]carbonyl}amino)acetyl]amino}-3,3-dimethylbutanoyl]-N-{(1R,2S)-1-[(cyclopropylsulfonyl)carbamoyl]-2-vinylcyclopropyl}-10,10-dimethyl-7-azadispiro[3.0.4.1]decane-8-carboxamide 1247709-74-5 C40H60N6O8S
    (5R,8S)-7-[(2S)-2-{[(2S)-2-cyclohexyl-2-({[(2S)-5-oxopyrrolidin-2-yl]carbonyl}amino)acetyl]amino}-3,3-dimethylbutanoyl]-N-{(1R,2S)-1-[(cyclopropylsulfonyl)carbamoyl]-2-vinylcyclopropyl}-10,10-dimethyl-7-azadispiro[3.0.4.1]decane-8-carboxamide
    —— 5-(2-(3,5-dimethyl-4-(2-morpholinoethoxy)phenylamino)-5-methylpyrimidin-4-ylamino)benzo[d]oxazol-2(3H)-one 1236667-69-8 C26H30N6O4
    5-(2-(3,5-dimethyl-4-(2-morpholinoethoxy)phenylamino)-5-methylpyrimidin-4-ylamino)benzo[d]oxazol-2(3H)-one
    —— 5-ethyl-1,2,3,5,6,7-hexahydro-1,5:3,7-dimethano-4-benzoxonin-3-ol 1207834-60-3 C16H20O2
    5-ethyl-1,2,3,5,6,7-hexahydro-1,5:3,7-dimethano-4-benzoxonin-3-ol
    —— 5-methoxy-6-methyl-3-(4-methyl-5-oxo-dihydro-[2]furylidene)-3<i>H</i>-benzofuran-2-one 109442-63-9 C15H14O5
    5-methoxy-6-methyl-3-(4-methyl-5-oxo-dihydro-[2]furylidene)-3<i>H</i>-benzofuran-2-one
    —— 5.5'-Dichlor-6.6'-7.7'-tetramethoxy-1.1'-dimethyl-indigo 19547-36-5 C22H20Cl2N2O6
    5.5'-Dichlor-6.6'-7.7'-tetramethoxy-1.1'-dimethyl-indigo
    —— (5-Natriumsulfonyl)naphthylazomalonaldehyd 94467-87-5 C13H9N2O5S*Na
    (5-Natriumsulfonyl)naphthylazomalonaldehyd
    —— 5-Brom-4-chlor-2-propionylamino-benzol-sulfonsaeure-propionylamid 91720-22-8 C12H14BrClN2O4S
    5-Brom-4-chlor-2-propionylamino-benzol-sulfonsaeure-propionylamid
    —— 5-O-tert-butyldimethylsilyl-2,3-O-isopropylidene-2-C-methyl-D-ribono-1,4-lactone 1272971-27-3 C15H28O5Si
    5-O-tert-butyldimethylsilyl-2,3-O-isopropylidene-2-C-methyl-D-ribono-1,4-lactone
    —— (5R,6R)-6-Acetylamino-7-oxo-2-phenyl-3-oxa-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid methyl ester 78033-23-5 C15H16N2O5
    (5R,6R)-6-Acetylamino-7-oxo-2-phenyl-3-oxa-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid methyl ester
    —— 5-(1-benzyl-1H-1,2,3-triazol-4-yl)pyrimidin-2-amine 1361537-59-8 C13H12N6
    5-(1-benzyl-1H-1,2,3-triazol-4-yl)pyrimidin-2-amine
    —— 5,5'-dichloro-3,3'-difluoromethyl-2,2'-dimethoxydiphenylmethane 288378-53-0 C17H14Cl2F4O2
    5,5'-dichloro-3,3'-difluoromethyl-2,2'-dimethoxydiphenylmethane
    —— 5-pentyl-3-(2-carboxyethyl)-1-(N-methyl-3-indolylmethyl)quinazoline-2,4-dione 1236595-05-3 C26H29N3O4
    5-pentyl-3-(2-carboxyethyl)-1-(N-methyl-3-indolylmethyl)quinazoline-2,4-dione
    —— 5-ethoxy-3-[(2-ethoxy)ethoxycarbonyl]-8-methoxy-4(1H)-quinolone 127286-18-4 C17H21NO6
    5-ethoxy-3-[(2-ethoxy)ethoxycarbonyl]-8-methoxy-4(1H)-quinolone
    —— (5R)-5-(But-2-en-2-yl)-2-methylcyclohex-2-en-1-one 158249-62-8 C11H16O
    (5R)-5-(But-2-en-2-yl)-2-methylcyclohex-2-en-1-one
    —— 5-Chlor-2,3-dimethyl-1,4,5-triphenyl-cyclopentadien 1448-80-2 C25H21Cl
    5-Chlor-2,3-dimethyl-1,4,5-triphenyl-cyclopentadien
    —— (5,5-dimethyl-2-thioxo-2λ5-[1,3,2]dioxaphosphorinan-2-ylmercapto)-acetic acid methylamide 13674-70-9 C8H16NO3PS2
    (5,5-dimethyl-2-thioxo-2λ5-[1,3,2]dioxaphosphorinan-2-ylmercapto)-acetic acid methylamide
    —— (5-benzylsulfanyl-2-chloro-phenyl)-[2,4-bis-(2,4-difluoro-phenoxy)-pyrimidin-5-yl]-methanone 927886-05-3 C30H17ClF4N2O3S
    (5-benzylsulfanyl-2-chloro-phenyl)-[2,4-bis-(2,4-difluoro-phenoxy)-pyrimidin-5-yl]-methanone
    —— 5-[4-(Benzenesulfonyl)piperazin-1-yl]-2-(4-fluorophenyl)-4-(5-hydroxypentoxy)pyridazin-3-one 1062078-92-5 C25H29FN4O5S
    5-[4-(Benzenesulfonyl)piperazin-1-yl]-2-(4-fluorophenyl)-4-(5-hydroxypentoxy)pyridazin-3-one
    —— 5-[(3,5-dichlorophenethyl)-methylamino]-2-(3,5-dimethoxyphenyl)-2-isopropylvaleronitrile 112703-70-5 C25H32Cl2N2O2
    5-[(3,5-dichlorophenethyl)-methylamino]-2-(3,5-dimethoxyphenyl)-2-isopropylvaleronitrile
    —— 5-chloro-2-(2,4-dinitro-anilino)-valeric acid 117342-48-0 C11H12ClN3O6
    5-chloro-2-(2,4-dinitro-anilino)-valeric acid
    —— 5,5,9-trimethyl-10-oxatricyclo<7.3.2.0<sup>1,6</sup>>tetradec-6-en-11-one 107291-60-1 C16H24O2
    5,5,9-trimethyl-10-oxatricyclo<7.3.2.0<sup>1,6</sup>>tetradec-6-en-11-one
    —— 5-Jod-2,2'-cyclocytidin 42386-74-3 C9H10IN3O4
    5-Jod-2,2'-cyclocytidin
    —— 5,6,7,8-Tetrahydro-3,8,8-trimethyl-4-nitro-2-naphthylamine 149620-33-7 C13H18N2O2
    5,6,7,8-Tetrahydro-3,8,8-trimethyl-4-nitro-2-naphthylamine
    —— 5-(1-ethyl-4,5,6,7-tetrahydro-1H-indazol-3-yl)-3-(5-ethyl-6-methoxy-2-methylpyridin-3-yl)-1,2,4-oxadiazole 1233244-32-0 C20H25N5O2
    5-(1-ethyl-4,5,6,7-tetrahydro-1H-indazol-3-yl)-3-(5-ethyl-6-methoxy-2-methylpyridin-3-yl)-1,2,4-oxadiazole
    —— 5-octyloxy-2-(6-octyloxybenzoxazol-2-yl)phenol 1331960-51-0 C29H41NO4
    5-octyloxy-2-(6-octyloxybenzoxazol-2-yl)phenol
    —— 5-bromo-2-(4-fluorophenyl)-6-(N-(3-hydroxypropyl)methylsulfonamido)-N-methylbenzofuran-3-carboxamide 1333244-34-0 C20H20BrFN2O5S
    5-bromo-2-(4-fluorophenyl)-6-(N-(3-hydroxypropyl)methylsulfonamido)-N-methylbenzofuran-3-carboxamide
    —— 5-methoxytricyclo<5.4.0.01,5>undecan-8-one 121124-03-6 C12H18O2
    5-methoxytricyclo<5.4.0.01,5>undecan-8-one
    —— 5-chloro-3-[(2-chlorobenzylidene)hydrazono]indolin-2-one 1312784-94-3 C15H9Cl2N3O
    5-chloro-3-[(2-chlorobenzylidene)hydrazono]indolin-2-one
    —— 5-bromo-4-nitro-1-phenacylimidazole 112995-51-4 C11H8BrN3O3
    5-bromo-4-nitro-1-phenacylimidazole
    —— 5-amino-7-(4-chlorophenyl)-1-(8-hydroxyquinolin-5-yl)sulfonyl-2-sulfanylidenepyrano[2,3-d]imidazole-6-carbonitrile 1387577-60-7 C22H12ClN5O4S2
    5-amino-7-(4-chlorophenyl)-1-(8-hydroxyquinolin-5-yl)sulfonyl-2-sulfanylidenepyrano[2,3-d]imidazole-6-carbonitrile
    —— 5-[5-chloro-4-[(5-cyclopropyl-1H-pyrazol-3-yl)amino]-pyrimidin-2-yl]thiophene-2-carbonitrile 1266478-05-0 C15H11ClN6S
    5-[5-chloro-4-[(5-cyclopropyl-1H-pyrazol-3-yl)amino]-pyrimidin-2-yl]thiophene-2-carbonitrile
    —— 5-Chlor-homodiploschistesinsaeure-methylester 83646-36-0 C18H17ClO8
    5-Chlor-homodiploschistesinsaeure-methylester
    —— 5-Nitro-2-{N-propyl-N-[(2'-[1H-tetrazol-5-yl]biphenyl-4-yl)methyl]amino}pyridine-3-carboxylic acid 151323-02-3 C23H21N7O4
    5-Nitro-2-{N-propyl-N-[(2'-[1H-tetrazol-5-yl]biphenyl-4-yl)methyl]amino}pyridine-3-carboxylic acid
    —— 5-Methyl-4-(2-nitro-ethoxy)-hex-1-ene 136968-82-6 C9H17NO3
    5-Methyl-4-(2-nitro-ethoxy)-hex-1-ene
    —— 5-Acetoxy-2-isobutyl-4,4-diisopentyl-cyclopentan-1,3-dion 97017-09-9 C21H36O4
    5-Acetoxy-2-isobutyl-4,4-diisopentyl-cyclopentan-1,3-dion