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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4’-(2-methoxyphenyl)-2,2’-bipyridine 173960-51-5 C17H14N2O
    4’-(2-methoxyphenyl)-2,2’-bipyridine
    —— 4-chloro-6-(4-hydroxy-7-methyl-4-phenyl-4H-3,1-benzothiazin-2-yl)benzene-1,3-diol 1376273-09-4 C21H16ClNO3S
    4-chloro-6-(4-hydroxy-7-methyl-4-phenyl-4H-3,1-benzothiazin-2-yl)benzene-1,3-diol
    —— 4-[2-[2-(difluoromethyl)benzoimidazol-1-yl]-6-morpholin-4-yl-pyrimidin-4-yl]-2-fluoro-benzoic acid 1013403-38-7 C23H18F3N5O3
    4-[2-[2-(difluoromethyl)benzoimidazol-1-yl]-6-morpholin-4-yl-pyrimidin-4-yl]-2-fluoro-benzoic acid
    —— [4-(2-methoxycarbonylcyclopropyl)phenoxy]acetic acid 198897-21-1 C13H14O5
    [4-(2-methoxycarbonylcyclopropyl)phenoxy]acetic acid
    —— [4-(2-Bromo-2-methylpropanoyl)oxyphenyl] 4-oxo-3-oxa-13-azatetracyclo[7.7.1.02,7.013,17]heptadeca-1,5,7,9(17)-tetraene-5-carboxylate 871925-03-0 C26H24BrNO6
    [4-(2-Bromo-2-methylpropanoyl)oxyphenyl] 4-oxo-3-oxa-13-azatetracyclo[7.7.1.02,7.013,17]heptadeca-1,5,7,9(17)-tetraene-5-carboxylate
    —— 4-(tert-butyl)-2-(methyl(propyl)amino)-N-(2,3,5,6-tetrafluoro-4-(trifluoromethyl)phenyl)benzamide 1300857-29-7 C22H23F7N2O
    4-(tert-butyl)-2-(methyl(propyl)amino)-N-(2,3,5,6-tetrafluoro-4-(trifluoromethyl)phenyl)benzamide
    —— (4'-Oxo-bicyclohexyliden-2'-en-4-yl)-acetic acid 66336-37-6 C14H18O3
    (4'-Oxo-bicyclohexyliden-2'-en-4-yl)-acetic acid
    —— 4,4',6,6'-Tetraamino-5,5'-dinitro-dipyrimidinyl-(2)-amin 21921-47-1 C8H9N11O4
    4,4',6,6'-Tetraamino-5,5'-dinitro-dipyrimidinyl-(2)-amin
    —— 4-Phenyl-pyrido<3,2-f>pyrrolo<1,2-a>chinoxalin 27021-65-4 C20H13N3
    4-Phenyl-pyrido<3,2-f>pyrrolo<1,2-a>chinoxalin
    —— 4-Hydroxymethyl-2,10,11-trimethoxyberbin-3-ol 53094-00-1 C21H25NO5
    4-Hydroxymethyl-2,10,11-trimethoxyberbin-3-ol
    —— 4-[(5-bromo-pyridin-2-ylamino)-methyl]-5-methyl-2-phenyl-1,2-dihydro-pyrazol-3-one 22259-95-6 C16H15BrN4O
    4-[(5-bromo-pyridin-2-ylamino)-methyl]-5-methyl-2-phenyl-1,2-dihydro-pyrazol-3-one
    —— 4-nitro-benzoic acid <i>N</i>'-(1(2)<i>H</i>-tetrazol-5-yl)-hydrazide 33809-86-8 C8H7N7O3
    4-nitro-benzoic acid <i>N</i>'-(1(2)<i>H</i>-tetrazol-5-yl)-hydrazide
    —— 4,4,3',3',6',6'-hexamethyl-3',4',6',7'-tetrahydro-2'<i>H</i>,5'<i>H</i>-spiro[cyclohexane-1,9'-xanthene]-2,6,1',8'-tetraone 29937-97-1 C24H30O5
    4,4,3',3',6',6'-hexamethyl-3',4',6',7'-tetrahydro-2'<i>H</i>,5'<i>H</i>-spiro[cyclohexane-1,9'-xanthene]-2,6,1',8'-tetraone
    —— (4-oxo-1-phenyl-4,5-dihydro-1<i>H</i>-pyrazolo[3,4-<i>d</i>]pyrimidin-3-yl)-acetonitrile 38340-30-6 C13H9N5O
    (4-oxo-1-phenyl-4,5-dihydro-1<i>H</i>-pyrazolo[3,4-<i>d</i>]pyrimidin-3-yl)-acetonitrile
    —— 4-Brom-3,5-bis-(pentafluorphenyl)pyrazol 33314-30-6 C15HBrF10N2
    4-Brom-3,5-bis-(pentafluorphenyl)pyrazol
    —— 4-Amino-6-(p-nitro-phenyl)-sym-triazin-2N-(p-methoxy-phenyl)-carboxamid 33957-54-9 C17H14N6O4
    4-Amino-6-(p-nitro-phenyl)-sym-triazin-2N-(p-methoxy-phenyl)-carboxamid
    —— 4,5,7,8-tetrahydroimidazo[4,5-d]azepine-6-carboxylic acid cyclohexylmethyl ester 303020-98-6 C15H23N3O2
    4,5,7,8-tetrahydroimidazo[4,5-d]azepine-6-carboxylic acid cyclohexylmethyl ester
    —— 4-(3-Methoxyphenyl)-4-<2-(2-methyl-1,3-dioxolan-2-yl)ethyl>-2-pyrrolidinone 28026-29-1 C17H23NO4
    4-(3-Methoxyphenyl)-4-<2-(2-methyl-1,3-dioxolan-2-yl)ethyl>-2-pyrrolidinone
    —— 4-[(4-methyl-6-oxo-5-propyl-1,6-dihydro-pyrimidin-2-ylsulfanyl)-acetyl]-morpholine 28994-71-0 C14H21N3O3S
    4-[(4-methyl-6-oxo-5-propyl-1,6-dihydro-pyrimidin-2-ylsulfanyl)-acetyl]-morpholine
    —— 4-propoxy-benzoic acid 2-[(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1<i>H</i>-pyrazol-4-yl)-methyl-amino]-ethyl ester 47679-31-2 C24H29N3O4
    4-propoxy-benzoic acid 2-[(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1<i>H</i>-pyrazol-4-yl)-methyl-amino]-ethyl ester
    —— 4-methyl-3-phenyl-4<i>H</i>-benzo[4,5]imidazo[1,5-<i>a</i>]imidazole-1-carbaldehyde oxime 37494-49-8 C17H14N4O
    4-methyl-3-phenyl-4<i>H</i>-benzo[4,5]imidazo[1,5-<i>a</i>]imidazole-1-carbaldehyde oxime
    —— 4-[(2-Hydroxy-phenyl)-hydrazonomethyl]-1-phenyl-quinolinium 47485-11-0 C22H18N3O
    4-[(2-Hydroxy-phenyl)-hydrazonomethyl]-1-phenyl-quinolinium
    —— (4aS,6bR,8S,8aS,12aS,12bS,14aR)-3,8-Dihydroxy-4,4a,6b,8a,11,11,12b,14a-octamethyl-4a,5,6,6a,6b,7,8,8a,9,10,11,12,12a,12b,13,14,14a,14b-octadecahydro-1H-picen-2-one 35007-47-7 C30H48O3
    (4aS,6bR,8S,8aS,12aS,12bS,14aR)-3,8-Dihydroxy-4,4a,6b,8a,11,11,12b,14a-octamethyl-4a,5,6,6a,6b,7,8,8a,9,10,11,12,12a,12b,13,14,14a,14b-octadecahydro-1H-picen-2-one
    —— 4,4,14α-Trimethyl-19-nor-B(9a)-homo-8ξ,9ξ-5α-pregnen-(1(10))-tetraon-(2,7,11,20) 22626-24-0 C24H32O4
    4,4,14α-Trimethyl-19-nor-B(9a)-homo-8ξ,9ξ-5α-pregnen-(1(10))-tetraon-(2,7,11,20)
    —— (4aS,7aR,7bS)-1,1-Diethoxy-2a-hydroxy-6,6,7b-trimethyl-4-oxo-decahydro-cyclobuta[e]indene-3-carboxylic acid methyl ester 34712-10-2 C20H32O6
    (4aS,7aR,7bS)-1,1-Diethoxy-2a-hydroxy-6,6,7b-trimethyl-4-oxo-decahydro-cyclobuta[e]indene-3-carboxylic acid methyl ester
    —— 4-Methoxy-2-chlor-4'-hydroxy-azobenzol 22716-54-7 C13H11ClN2O2
    4-Methoxy-2-chlor-4'-hydroxy-azobenzol
    —— 4-Hydroxy-2,2-dimethyl-6-phenyl-tetrahydro-thiopyran-4-carbonitrile 74601-27-7 C14H17NOS
    4-Hydroxy-2,2-dimethyl-6-phenyl-tetrahydro-thiopyran-4-carbonitrile
    —— 4-chloro-N-(3-cyanophenyl)-N-({2-[cyclopropyl(ethyl)amino]-1,3-thiazol-4-yl}-methyl)benzamide 1034246-85-9 C23H21ClN4OS
    4-chloro-N-(3-cyanophenyl)-N-({2-[cyclopropyl(ethyl)amino]-1,3-thiazol-4-yl}-methyl)benzamide
    —— 4-methoxybenzoic 3,5-dinitrobenzoic anhydride 79239-16-0 C15H10N2O8
    4-methoxybenzoic 3,5-dinitrobenzoic anhydride
    —— 4-deuterio-2-methylbut-3-en-2-yl benzoate 1007232-37-2 C12H14O2
    4-deuterio-2-methylbut-3-en-2-yl benzoate
    —— (4R,5S)-5-tert-butyl-4-(hydroxymethyl)-1,3-oxazolidin-2-one 125414-64-4 C8H15NO3
    (4R,5S)-5-tert-butyl-4-(hydroxymethyl)-1,3-oxazolidin-2-one
    —— 4-(2-methoxyphenyl)-2,5-diphenyl-1H-imidazole 1497480-44-0 C22H18N2O
    4-(2-methoxyphenyl)-2,5-diphenyl-1H-imidazole
    —— 4-Hydroxy-2-iso-propylmercapto-6-tert-butylpyrimidin 66698-65-5 C11H18N2OS
    4-Hydroxy-2-iso-propylmercapto-6-tert-butylpyrimidin
    —— 4-diethoxythiophosphoryloxy-2-ethoxy-thiazole-5-carboxylic acid ethyl ester 36751-14-1 C12H20NO6PS2
    4-diethoxythiophosphoryloxy-2-ethoxy-thiazole-5-carboxylic acid ethyl ester
    —— 4-bromo-2-(5-methylsulfanyl-4-propyl-4<i>H</i>-[1,2,4]triazol-3-yl)-phenol 14374-30-2 C12H14BrN3OS
    4-bromo-2-(5-methylsulfanyl-4-propyl-4<i>H</i>-[1,2,4]triazol-3-yl)-phenol
    —— 4-hydroxy-3-(3-octadecanoylamino-5-oxo-2,5-dihydro-pyrazol-1-yl)-benzenesulfonic acid 13731-78-7 C27H43N3O6S
    4-hydroxy-3-(3-octadecanoylamino-5-oxo-2,5-dihydro-pyrazol-1-yl)-benzenesulfonic acid
    —— [4,6-bis-(4-hydroxy-3,5-dimethyl-anilino)-[1,3,5]triazin-2-yl]-phosphonic acid diethyl ester 35965-71-0 C23H30N5O5P
    [4,6-bis-(4-hydroxy-3,5-dimethyl-anilino)-[1,3,5]triazin-2-yl]-phosphonic acid diethyl ester
    —— 4,4,8,8-Tetrachloro-2,6-bis-(3-trifluoromethyl-phenyl)-[1,5,2,6]dithiadiazocane-3,7-dione 40439-09-6 C18H8Cl4F6N2O2S2
    4,4,8,8-Tetrachloro-2,6-bis-(3-trifluoromethyl-phenyl)-[1,5,2,6]dithiadiazocane-3,7-dione
    —— 4-[5-(2-morpholin-4-yl-ethyl)-[1,2,4]oxadiazol-3-yl]-benzenesulfonamide 92325-54-7 C14H18N4O4S
    4-[5-(2-morpholin-4-yl-ethyl)-[1,2,4]oxadiazol-3-yl]-benzenesulfonamide
    —— 4-[(R)-[2-(3-chloro-4-methoxyphenyl)-3-oxo-1,4-diazaspiro[4.5]dec-1-en-4-yl]-cyclopropylmethyl]-N-(2H-tetrazol-5-ylmethyl)benzamide 1220895-82-8 C28H30ClN7O3
    4-[(R)-[2-(3-chloro-4-methoxyphenyl)-3-oxo-1,4-diazaspiro[4.5]dec-1-en-4-yl]-cyclopropylmethyl]-N-(2H-tetrazol-5-ylmethyl)benzamide
    —— 4-(3-dimethylamino-propyl)-2,3,3a,4-tetrahydro-1<i>H</i>-pyrrolo[1,2-<i>a</i>]quinazolin-5-one 10001-03-3 C16H23N3O
    4-(3-dimethylamino-propyl)-2,3,3a,4-tetrahydro-1<i>H</i>-pyrrolo[1,2-<i>a</i>]quinazolin-5-one
    —— 4-(2-chloro-phenyl)-2-ethyl-9-(4-methyl-piperazin-1-yl)-6<i>H</i>-thieno[3,2-<i>f</i>][1,2,4]triazolo[4,3-<i>a</i>][1,4]diazepine 69835-94-5 C21H23ClN6S
    4-(2-chloro-phenyl)-2-ethyl-9-(4-methyl-piperazin-1-yl)-6<i>H</i>-thieno[3,2-<i>f</i>][1,2,4]triazolo[4,3-<i>a</i>][1,4]diazepine
    —— 4-hydroxy-3-(3-octadecanoylamino-5-oxo-2,5-dihydro-pyrazol-1-yl)-benzoic acid 13731-80-1 C28H43N3O5
    4-hydroxy-3-(3-octadecanoylamino-5-oxo-2,5-dihydro-pyrazol-1-yl)-benzoic acid
    —— 4-Diethylamino-N-methoxy-3,5-dinitro-benzenesulfonamide 40258-40-0 C11H16N4O7S
    4-Diethylamino-N-methoxy-3,5-dinitro-benzenesulfonamide
    —— 4-Pentyl-cyclohexanecarbothioic acid S-(4-butoxy-phenyl) ester 72009-44-0 C22H34O2S
    4-Pentyl-cyclohexanecarbothioic acid S-(4-butoxy-phenyl) ester
    —— 4-[1-aminomethylidene]-2-benzothiazol-2-yl-5-(5-bromothiophen-2-yl)-2,4-dihydropyrazol-3-one 1452793-82-6 C15H9BrN4OS2
    4-[1-aminomethylidene]-2-benzothiazol-2-yl-5-(5-bromothiophen-2-yl)-2,4-dihydropyrazol-3-one
    —— 4,4'-[6-(4-bromo-phenoxy)-[1,3,5]triazine-2,4-diyl]-bis-benzene-1,3-diol 4669-35-6 C21H14BrN3O5
    4,4'-[6-(4-bromo-phenoxy)-[1,3,5]triazine-2,4-diyl]-bis-benzene-1,3-diol
    —— 4-[4-(4-chloro-phenyl)-6-(3,4-dichloro-anilino)-[1,3,5]triazin-2-yl]-benzene-1,3-diol 7296-03-9 C21H13Cl3N4O2
    4-[4-(4-chloro-phenyl)-6-(3,4-dichloro-anilino)-[1,3,5]triazin-2-yl]-benzene-1,3-diol
    —— 4,5α-epoxy-19<i>anti</i>-(1-hydroxy-1-methyl-butyl)-6-methoxy-17-(3-methyl-furan-2-ylmethyl)-6β,14-ethano-morphin-7-en-3-ol 51693-54-0 C30H37NO5
    4,5α-epoxy-19<i>anti</i>-(1-hydroxy-1-methyl-butyl)-6-methoxy-17-(3-methyl-furan-2-ylmethyl)-6β,14-ethano-morphin-7-en-3-ol
    —— 4-Ethyl-6-methyl-1,2,3,4,5,6-hexahydro-2,6-methano-benzo[d]azocin-8-ol 29144-34-1 C15H21NO
    4-Ethyl-6-methyl-1,2,3,4,5,6-hexahydro-2,6-methano-benzo[d]azocin-8-ol