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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-(3-Methoxy-phenyl)-5-methyl-hexanoic acid 81806-07-7 C14H20O3
    5-(3-Methoxy-phenyl)-5-methyl-hexanoic acid
    —— [5-(4,6-Dichloro-[1,3,5]triazin-2-ylamino)-2-(3,4-dimethoxy-phenyl)-[1,3]dioxan-5-yl]-methanol 40655-73-0 C16H18Cl2N4O5
    [5-(4,6-Dichloro-[1,3,5]triazin-2-ylamino)-2-(3,4-dimethoxy-phenyl)-[1,3]dioxan-5-yl]-methanol
    —— 5-(5-acetyl-3-chlorothiophen-2-yl)-nicotinonitrile 1393709-42-6 C12H7ClN2OS
    5-(5-acetyl-3-chlorothiophen-2-yl)-nicotinonitrile
    —— 5,7-Dimethyl-pyrazolo[1,5-a]pyrimidin-3-ylamine; compound with sulfuric acid 61552-50-9 C8H10N4*H2O4S
    5,7-Dimethyl-pyrazolo[1,5-a]pyrimidin-3-ylamine; compound with sulfuric acid
    —— 5-Methoxy-s-triazolo<5,1-b>benzothiazol 61073-37-8 C9H7N3OS
    5-Methoxy-s-triazolo<5,1-b>benzothiazol
    —— 5-benzyloxy-1-hydroxy-3-hydroxy-2-methoxy-β-D-ribose 1583259-75-9 C13H18O5
    5-benzyloxy-1-hydroxy-3-hydroxy-2-methoxy-β-D-ribose
    —— 5,5,6,6,7,7,8,8,9,9,10,10,11,11,11-Pentadecafluor-undecansaeure-1-ethylester 2264-59-7 C13H11F15O2
    5,5,6,6,7,7,8,8,9,9,10,10,11,11,11-Pentadecafluor-undecansaeure-1-ethylester
    —— 5-(p-pentylphenyl)pyridine-2-carboxamide 75754-16-4 C17H20N2O
    5-(p-pentylphenyl)pyridine-2-carboxamide
    —— 5-bromo-2-(3,3-difluoroazetidin-1-yl)pyrimidine 1352754-19-8 C7H6BrF2N3
    5-bromo-2-(3,3-difluoroazetidin-1-yl)pyrimidine
    —— 5-cyclobutylidene-2-norbornenone 128470-43-9 C11H12O
    5-cyclobutylidene-2-norbornenone
    —— 5-Hydroxy-1-(2-methoxy-5-methyl-phenyl)-2,2-dimethyl-pentan-1-one 815620-58-7 C15H22O3
    5-Hydroxy-1-(2-methoxy-5-methyl-phenyl)-2,2-dimethyl-pentan-1-one
    —— 5'-azido-3'-O-benzyl-3-N-(benzyloxymethyl)-5'-C-[(S)-2-(tert-butyldiphenylsiloxy)ethyl]-5'-deoxythymidine 1400908-47-5 C43H49N5O7Si
    5'-azido-3'-O-benzyl-3-N-(benzyloxymethyl)-5'-C-[(S)-2-(tert-butyldiphenylsiloxy)ethyl]-5'-deoxythymidine
    —— 5-cholesteane-3α,19-diol 3-acetate 19-methanesulfonate 90361-04-9 C30H50O5S
    5-cholesteane-3α,19-diol 3-acetate 19-methanesulfonate
    —— (5Z,7E,22E)-(1S,3R,24S)-20-methyl-25-(4-propyloxazol-2-yl)-26,27-cyclo-9,10-secocholesta-5,7,10(19),22-tetraene-1,3,24-triol 198763-32-5 C34H49NO4
    (5Z,7E,22E)-(1S,3R,24S)-20-methyl-25-(4-propyloxazol-2-yl)-26,27-cyclo-9,10-secocholesta-5,7,10(19),22-tetraene-1,3,24-triol
    —— 5-vinyl-4,5-dihydro-isoxazole-3-carboxylic acid ethyl ester 97484-20-3 C8H11NO3
    5-vinyl-4,5-dihydro-isoxazole-3-carboxylic acid ethyl ester
    —— 5′-O-dimethoxytrityl-2′-O-terbutyldimethylsilyl-3′-O-succinyl pyridinium salt-2′,3',4',5',5''-pentadeuterium-β-D-ribofuranosyl-N<sup>4</sup>-benzoylcytidine 1542260-47-8 C43H49N3O8Si
    5′-O-dimethoxytrityl-2′-O-terbutyldimethylsilyl-3′-O-succinyl pyridinium salt-2′,3',4',5',5''-pentadeuterium-β-D-ribofuranosyl-N<sup>4</sup>-benzoylcytidine
    —— (5Z,7E,22E)-(1S,3R,24R)-25-(5-ethyloxazol-2-yl)-20-methyl-26,27-cyclo-9,10-secocholesta-5,7,10(19),22-tetraene-1,3,24-triol 198762-99-1 C33H47NO4
    (5Z,7E,22E)-(1S,3R,24R)-25-(5-ethyloxazol-2-yl)-20-methyl-26,27-cyclo-9,10-secocholesta-5,7,10(19),22-tetraene-1,3,24-triol
    —— 5-[1-(2-fluoro-4-[(E)-1-(5-nitro-2-furyl)methylidene]aminophenyl)-4-piperidyl]-2,3-dihydro-1,3,4-oxadiazol-2-one 1445869-01-1 C18H16FN5O5
    5-[1-(2-fluoro-4-[(E)-1-(5-nitro-2-furyl)methylidene]aminophenyl)-4-piperidyl]-2,3-dihydro-1,3,4-oxadiazol-2-one
    —— 5-methyl-2-(1<i>H</i>-tetrazol-5-ylmethoxy)-benzoic acid 27068-80-0 C10H10N4O3
    5-methyl-2-(1<i>H</i>-tetrazol-5-ylmethoxy)-benzoic acid
    —— 5ξ,6ξ,14-Tribromo-15-keto-PGF(1α)-methylester 67786-54-3 C21H33Br3O5
    5ξ,6ξ,14-Tribromo-15-keto-PGF(1α)-methylester
    —— [5-(4-Chloro-phenyl)-thiophen-2-yl]-acetic acid butyl ester 24675-41-0 C16H17ClO2S
    [5-(4-Chloro-phenyl)-thiophen-2-yl]-acetic acid butyl ester
    —— 5-butyryl-6-fluoro-2,3-dihydro-benzofuran-2-carboxylic acid 26018-65-5 C13H13FO4
    5-butyryl-6-fluoro-2,3-dihydro-benzofuran-2-carboxylic acid
    —— (5R,6S,7R)-6-ethyl-5-hydroxy-7-triethylsilyloxyoctan-3-one 97690-93-2 C16H34O3Si
    (5R,6S,7R)-6-ethyl-5-hydroxy-7-triethylsilyloxyoctan-3-one
    —— 5-Aethoxy-hex-4-en-2-in-1-ol 20212-32-2 C8H12O2
    5-Aethoxy-hex-4-en-2-in-1-ol
    —— 5-(tert-butyl)-4-phenyl-1,2,3-oxathiazolidine 2,2-dioxide 1431555-69-9 C12H17NO3S
    5-(tert-butyl)-4-phenyl-1,2,3-oxathiazolidine 2,2-dioxide
    —— 5-[N-[1-((3,5-bis(trifluoromethyl)phenyl)methyloxy)-3,3-diphenylprop-2-yl]-N-ethylaminomethyl]-2,3-dihydro-4H-1,2,4-triazol-3-one 156101-90-5 C29H28F6N4O2
    5-[N-[1-((3,5-bis(trifluoromethyl)phenyl)methyloxy)-3,3-diphenylprop-2-yl]-N-ethylaminomethyl]-2,3-dihydro-4H-1,2,4-triazol-3-one
    —— 5'-(4-methoxyphenyl)spiro[[1,3]dioxolane-2,3'-indolin]-2'-one 1412900-32-3 C17H15NO4
    5'-(4-methoxyphenyl)spiro[[1,3]dioxolane-2,3'-indolin]-2'-one
    —— 5-methyl-4,5,6,7-tetrahydro-8H-cyclohepta<b>thiophene 77416-23-0 C10H14S
    5-methyl-4,5,6,7-tetrahydro-8H-cyclohepta<b>thiophene
    —— 5-hydroxy-2-methoxy-5-methyl-3-piperidino-cyclopent-2-enone 108746-24-3 C12H19NO3
    5-hydroxy-2-methoxy-5-methyl-3-piperidino-cyclopent-2-enone
    —— 5-phenyl-1,3,4,5-tetrahydro-pyrido[4,3-<i>b</i>]indole-2-carboxylic acid ethyl ester 63277-59-8 C20H20N2O2
    5-phenyl-1,3,4,5-tetrahydro-pyrido[4,3-<i>b</i>]indole-2-carboxylic acid ethyl ester
    —— 5-(1H-indazol-4-yl)-3-(4-methyl-1,4-diazepan-1-yl)pyrazin-2-amine 895237-27-1 C17H21N7
    5-(1H-indazol-4-yl)-3-(4-methyl-1,4-diazepan-1-yl)pyrazin-2-amine
    —— 5-(2,4-dichlorophenyl)-2-(ethoxycarbonyl)-7-methylimidazo[1,2-a]pyrimidine-6-carboxylic (ethyl carbonic) anhydride 896459-37-3 C20H17Cl2N3O6
    5-(2,4-dichlorophenyl)-2-(ethoxycarbonyl)-7-methylimidazo[1,2-a]pyrimidine-6-carboxylic (ethyl carbonic) anhydride
    —— {5-methyl-1-[2,2,2-trichloro-1-(2,2-dimethyl-propionylamino)-ethyl]-1<i>H</i>-benzoimidazol-2-yl}-carbamic acid methyl ester 32048-43-4 C17H21Cl3N4O3
    {5-methyl-1-[2,2,2-trichloro-1-(2,2-dimethyl-propionylamino)-ethyl]-1<i>H</i>-benzoimidazol-2-yl}-carbamic acid methyl ester
    —— 5,5,7,7-tetramethyl-2-thiophen-2-yl-5,6,7,8-tetrahydro-[1,6]naphthyridine 66010-65-9 C16H20N2S
    5,5,7,7-tetramethyl-2-thiophen-2-yl-5,6,7,8-tetrahydro-[1,6]naphthyridine
    —— 5-amino-N-[1-(1-naphthalenyl)ethyl]-1-naphthalenesulfonamide hydrochloride 491579-35-2 C22H20N2O2S*ClH
    5-amino-N-[1-(1-naphthalenyl)ethyl]-1-naphthalenesulfonamide hydrochloride
    —— 5-chloro-2-methyl-benzooxazole-7-carboxylic acid 4-(phenethylcarbamoyl-sulfamoyl)-phenethylamide 52395-78-5 C26H25ClN4O5S
    5-chloro-2-methyl-benzooxazole-7-carboxylic acid 4-(phenethylcarbamoyl-sulfamoyl)-phenethylamide
    —— 5-Hexyl-2-pyrrolidin-1-yl-oxazol-4-one 14021-54-6 C13H22N2O2
    5-Hexyl-2-pyrrolidin-1-yl-oxazol-4-one
    —— 5-(N-methyl-β-alanyl)-4,5,10,11-tetrahydro-benzo[b]thieno[2,3-f]azocine 740739-49-5 C17H20N2OS
    5-(N-methyl-β-alanyl)-4,5,10,11-tetrahydro-benzo[b]thieno[2,3-f]azocine
    —— 5-(Ureidomethyl)-salicylsaeure 5366-97-2 C9H10N2O4
    5-(Ureidomethyl)-salicylsaeure
    —— 5-(3-bromo-4-hydroxy-3-methylphenyl)-2-methylpentane-2,3-diol 642470-62-0 C13H19BrO3
    5-(3-bromo-4-hydroxy-3-methylphenyl)-2-methylpentane-2,3-diol
    —— 5-[1-(2-Diethoxymethyl-phenyl)-meth-(E)-ylidene]-imidazolidine-2,4-dione 663170-97-6 C15H18N2O4
    5-[1-(2-Diethoxymethyl-phenyl)-meth-(E)-ylidene]-imidazolidine-2,4-dione
    —— 5-methoxy-3,3,5-trimethyl-isoxazolidine-2-carboxylic acid methylamide 71483-37-9 C9H18N2O3
    5-methoxy-3,3,5-trimethyl-isoxazolidine-2-carboxylic acid methylamide
    —— {5-tert-butyl-2-[4-chloro-3-(2-morpholin-4-yl-ethoxy)-phenyl]-2H-pyrazol-3-yl}-carbamic acid 2,2,2-trichloroethyl ester 1639878-90-2 C22H28Cl4N4O4
    {5-tert-butyl-2-[4-chloro-3-(2-morpholin-4-yl-ethoxy)-phenyl]-2H-pyrazol-3-yl}-carbamic acid 2,2,2-trichloroethyl ester
    —— 5-fluoro-3-iodo-2-(phenylselanyl)benzofuran 1128143-78-1 C14H8FIOSe
    5-fluoro-3-iodo-2-(phenylselanyl)benzofuran
    —— 5-methyl-3-(4-methylsulfanyl-<i>trans</i>-styryl)-[1,2,4]oxadiazole 36166-23-1 C12H12N2OS
    5-methyl-3-(4-methylsulfanyl-<i>trans</i>-styryl)-[1,2,4]oxadiazole
    —— 5,10-dimethyl-1,14-di(4-pyridyl)tetradeca-1,3,5,9,11,13-hexaen-7-yne 151697-63-1 C26H24N2
    5,10-dimethyl-1,14-di(4-pyridyl)tetradeca-1,3,5,9,11,13-hexaen-7-yne
    —— 5-iodo-3-methylpent-1-en-3-ol 1370319-82-6 C6H11IO
    5-iodo-3-methylpent-1-en-3-ol
    —— 5-(4-fluorophenyl)-5-{3-oxo-3-[4-(1-pyrrolidin-1-ylethyl)piperidin-1-yl]propyl}-5H-imidazo[2,1-a]isoindole 1227198-77-7 C30H35FN4O
    5-(4-fluorophenyl)-5-{3-oxo-3-[4-(1-pyrrolidin-1-ylethyl)piperidin-1-yl]propyl}-5H-imidazo[2,1-a]isoindole
    —— 5-(6-Pyrazol-1-ylpyridin-2-yl)-2-pyridin-3-yl-1,3-thiazole 1204610-94-5 C16H11N5S
    5-(6-Pyrazol-1-ylpyridin-2-yl)-2-pyridin-3-yl-1,3-thiazole
    —— 5-(1-{[(benzylamino)carbonyl]amino}ethyl)-N-hydroxythiophene-2-carboxamide 1332871-18-7 C15H17N3O3S
    5-(1-{[(benzylamino)carbonyl]amino}ethyl)-N-hydroxythiophene-2-carboxamide