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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4,4,4',4'-bis-ethanediyldioxy-5,6,5',6'-diseco-β,β-carotene-6,6'-dione 124514-82-5 C44H64O6
    4,4,4',4'-bis-ethanediyldioxy-5,6,5',6'-diseco-β,β-carotene-6,6'-dione
    —— 4-azido-5-(2-trimethylsilyl)ethenyl-2,6-dimethylpyrimidine 128266-80-8 C11H17N5Si
    4-azido-5-(2-trimethylsilyl)ethenyl-2,6-dimethylpyrimidine
    —— 4-<1-(p-Tolylsulfonylamino)-ethyl>-tropolon 2410-63-1 C16H17NO4S
    4-<1-(p-Tolylsulfonylamino)-ethyl>-tropolon
    —— 4,6-Dimethyl-3-(1-p-anisyl-2-nitroethyl)-2-chinolon 38070-87-0 C20H20N2O4
    4,6-Dimethyl-3-(1-p-anisyl-2-nitroethyl)-2-chinolon
    —— 4-Chlor-6-mercapto-5-(4-chlor-phenyl)-pyrimidin 4365-49-5 C10H6Cl2N2S
    4-Chlor-6-mercapto-5-(4-chlor-phenyl)-pyrimidin
    —— 4-N-(cyclohexylideneamino)-6-methoxy-2-methylquinoline-4,5-diamine 114656-84-7 C17H22N4O
    4-N-(cyclohexylideneamino)-6-methoxy-2-methylquinoline-4,5-diamine
    —— 4-isopropyl-2,5-dimethyl-pyrrole-3-carboxylic acid ethyl ester 105254-61-3 C12H19NO2
    4-isopropyl-2,5-dimethyl-pyrrole-3-carboxylic acid ethyl ester
    —— (4R,6R)-7-tert-butoxy-6-methyl-hept-2t-en-4-ol 59983-30-1 C12H24O2
    (4R,6R)-7-tert-butoxy-6-methyl-hept-2t-en-4-ol
    —— 4,5-dichloro-1<i>H</i>-imidazole-2-carboxylic acid benzyl-formyl-amide 64737-04-8 C12H9Cl2N3O2
    4,5-dichloro-1<i>H</i>-imidazole-2-carboxylic acid benzyl-formyl-amide
    —— [4-(4-Methoxy-phenoxymethyl)-piperidin-1-yl]-phenyl-methanone 63608-25-3 C20H23NO3
    [4-(4-Methoxy-phenoxymethyl)-piperidin-1-yl]-phenyl-methanone
    —— 4-tert-Butyl-2,2,6,6-tetramethylcyclohexanthion 64273-97-8 C14H26S
    4-tert-Butyl-2,2,6,6-tetramethylcyclohexanthion
    —— 4α-(33-cyano)ethynyl-5α-cholestan-3β-ol 118724-63-3 C30H47NO
    4α-(33-cyano)ethynyl-5α-cholestan-3β-ol
    —— {4-[1-(4-chloro-3-methyl-phenyl)-3-methyl-1H-1,2,4-triazol-5-yl]piperidin-1-yl}-[(1R,2R)-2-(2,4-di-fluorophenyl)-4-(methyl-[(1S)-1-phenylethyl]amino)-cyclopentyl]methanone trifluoroacetate 1352245-36-3 C2HF3O2*C36H40ClF2N5O
    {4-[1-(4-chloro-3-methyl-phenyl)-3-methyl-1H-1,2,4-triazol-5-yl]piperidin-1-yl}-[(1R,2R)-2-(2,4-di-fluorophenyl)-4-(methyl-[(1S)-1-phenylethyl]amino)-cyclopentyl]methanone trifluoroacetate
    —— 4-{4-[2-(3,4-difluoro-phenyl)-ethyl]-piperazin-1-yl}-5,6,7,8-tetrahydro-1,3,4b-triaza-fluorene-9-carboxylicacidpyridin-2-ylamide 731825-58-4 C28H29F2N7O
    4-{4-[2-(3,4-difluoro-phenyl)-ethyl]-piperazin-1-yl}-5,6,7,8-tetrahydro-1,3,4b-triaza-fluorene-9-carboxylicacidpyridin-2-ylamide
    —— 4-cyclopentyl-2,5-dihydro-1H-pyridin-6-one 1227844-11-2 C10H15NO
    4-cyclopentyl-2,5-dihydro-1H-pyridin-6-one
    —— 4-[4-[(4-Morpholin-4-ylphenyl)methyl]phenyl]morpholine 500699-23-0 C21H26N2O2
    4-[4-[(4-Morpholin-4-ylphenyl)methyl]phenyl]morpholine
    —— 4-(4-bromo-phenylazo)-3-methyl-5-phenyl-pyrazole-1-carbothioic acid amide 29147-10-2 C17H14BrN5S
    4-(4-bromo-phenylazo)-3-methyl-5-phenyl-pyrazole-1-carbothioic acid amide
    —— 4-nitro-benzoic acid-(β-isopentylamino-isobutyl ester) 854665-43-3 C16H24N2O4
    4-nitro-benzoic acid-(β-isopentylamino-isobutyl ester)
    —— 4,6-Dimethyl thio salicylic acid S-methylester 17999-33-6 C10H12O2S
    4,6-Dimethyl thio salicylic acid S-methylester
    —— 4-[1-(4-Methallyloxyphenyl)-2-pyrrolidon-4-yl]methoxybenzoic acid 133747-40-7 C22H23NO5
    4-[1-(4-Methallyloxyphenyl)-2-pyrrolidon-4-yl]methoxybenzoic acid
    —— 4-((2-cyclopentylethylamino)methyl)-6-(3-(methylamino)azetidin-1yl)pyrimidin-2-amine 1313412-96-2 C16H28N6
    4-((2-cyclopentylethylamino)methyl)-6-(3-(methylamino)azetidin-1yl)pyrimidin-2-amine
    —— 4-Methyl-6-(4-p-bromophenoxy-phenyl)-2,3,4,5-tetrahydropyridazin-3-one 75486-13-4 C17H15BrN2O2
    4-Methyl-6-(4-p-bromophenoxy-phenyl)-2,3,4,5-tetrahydropyridazin-3-one
    —— 4-(t-butoxy)-2'-[2-(1-methyl-2-piperidyl)ethyl]benzanilide 58753-91-6 C25H34N2O2
    4-(t-butoxy)-2'-[2-(1-methyl-2-piperidyl)ethyl]benzanilide
    —— 4-(p-n-dodecyl)phenylbutyric acid 133633-75-7 C22H36O2
    4-(p-n-dodecyl)phenylbutyric acid
    —— 4-Chloro-N-[1-(2,3-dihydro-indol-1-yl)-1-methylsulfanyl-meth-(Z)-ylidene]-benzenesulfonamide 121983-56-0 C16H15ClN2O2S2
    4-Chloro-N-[1-(2,3-dihydro-indol-1-yl)-1-methylsulfanyl-meth-(Z)-ylidene]-benzenesulfonamide
    —— (-)-4-C<sub>1</sub>-Homobasketanone Ethylene Ketal 74843-78-0 C13H16O2
    (-)-4-C<sub>1</sub>-Homobasketanone Ethylene Ketal
    —— 4-methyl-2,6-bis(1-naphthylmethyliminomethyl)phenol 1159279-10-3 C31H26N2O
    4-methyl-2,6-bis(1-naphthylmethyliminomethyl)phenol
    —— [4-(4-Methoxy-phenyl)-[2,4']bithiazolyl-2'-yl]-[1-(4-methoxy-phenyl)-meth-(E)-ylidene]-amine 139447-04-4 C21H17N3O2S2
    [4-(4-Methoxy-phenyl)-[2,4']bithiazolyl-2'-yl]-[1-(4-methoxy-phenyl)-meth-(E)-ylidene]-amine
    —— 4-[(6-chloro-3,8-dimethyl-2H-pyrazolo[3,4-b]quinolin-4-yl)methyl]-2-methylmorpholine 1228244-97-0 C18H21ClN4O
    4-[(6-chloro-3,8-dimethyl-2H-pyrazolo[3,4-b]quinolin-4-yl)methyl]-2-methylmorpholine
    —— 4-fluoro-3'',4''-methylenedioxy-2'-(toluene-4-sulfonyl)[1,1';4',1'']terphenyl 1449482-53-4 C26H19FO4S
    4-fluoro-3'',4''-methylenedioxy-2'-(toluene-4-sulfonyl)[1,1';4',1'']terphenyl
    —— 4-acetyl-2-[bis-(2-chloro-ethyl)-amino]-2-oxo-2λ<sup>5</sup>-[1,3,4,2]oxadiazaphosphepan-5-ol 64968-59-8 C9H18Cl2N3O4P
    4-acetyl-2-[bis-(2-chloro-ethyl)-amino]-2-oxo-2λ<sup>5</sup>-[1,3,4,2]oxadiazaphosphepan-5-ol
    —— 4-[1-(2,5-difluorophenyl)-5-phenyl-4,5-dihydro-1H-pyrazol-3-yl]benzonitrile 1060663-90-2 C22H15F2N3
    4-[1-(2,5-difluorophenyl)-5-phenyl-4,5-dihydro-1H-pyrazol-3-yl]benzonitrile
    —— 4-[Bis-(4-methoxy-benzyl)-sulfamoyl]-2-{2-[bis-(4-methoxy-benzyl)-sulfamoyl]-ethyl}-2-(4-bromo-phenyl)-butyric acid methyl ester 133778-02-6 C45H51BrN2O10S2
    4-[Bis-(4-methoxy-benzyl)-sulfamoyl]-2-{2-[bis-(4-methoxy-benzyl)-sulfamoyl]-ethyl}-2-(4-bromo-phenyl)-butyric acid methyl ester
    —— 4'-{6-[(R)-1-(3-fluorobenzyl)-2-(formylhydroxyamino)ethylcarbamoyl]-4-methyl-2-propyl-benzoimidazol-1-ylmethyl}biphenyl-2-carboxylic acid 1092949-56-8 C36H35FN4O5
    4'-{6-[(R)-1-(3-fluorobenzyl)-2-(formylhydroxyamino)ethylcarbamoyl]-4-methyl-2-propyl-benzoimidazol-1-ylmethyl}biphenyl-2-carboxylic acid
    —— 4-[4-(3-bromo-4-fluorophenyl)-1-methyI-5-oxo-2-thioxoimidazolidin-4-yI]phenyl 5-chloro-1,3-dimethyl-1H-pyrazole-4-sulfonate 1035268-21-3 C21H17BrClFN4O4S2
    4-[4-(3-bromo-4-fluorophenyl)-1-methyI-5-oxo-2-thioxoimidazolidin-4-yI]phenyl 5-chloro-1,3-dimethyl-1H-pyrazole-4-sulfonate
    —— 4-N-(4-pyridin-4-ylsulfanylphenyl)-5,6,7,8-tetrahydroquinazoline-2,4-diamine 570415-11-1 C19H19N5S
    4-N-(4-pyridin-4-ylsulfanylphenyl)-5,6,7,8-tetrahydroquinazoline-2,4-diamine
    —— 4'-[6-((R)-1-benzyl-2-mercaptoethylcarbamoyl)-4-hydroxymethyl-2-propyl-benzoimidazol-1-ylmethyl]biphenyl-2-carboxylic acid 1092950-76-9 C35H35N3O4S
    4'-[6-((R)-1-benzyl-2-mercaptoethylcarbamoyl)-4-hydroxymethyl-2-propyl-benzoimidazol-1-ylmethyl]biphenyl-2-carboxylic acid
    —— 4''-Acetylerythromycin B 57172-62-0 C39H69NO13
    4''-Acetylerythromycin B
    —— 4-bromo-2,7-dibutyl-9-(4-methylpiperazin-1-yl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone 1313182-97-6 C27H31BrN4O4
    4-bromo-2,7-dibutyl-9-(4-methylpiperazin-1-yl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone
    —— 4-(4-fluorophenoxy)pyridine-2-carboxylic acid [(R)-1-((R)-1,2-dimethylpropyl)piperidin-3-ylmethyl]amide 1336909-84-2 C23H30FN3O2
    4-(4-fluorophenoxy)pyridine-2-carboxylic acid [(R)-1-((R)-1,2-dimethylpropyl)piperidin-3-ylmethyl]amide
    —— 4-acetyl-1,2,3-tris(trimethylsilyl)-η4-cyclobutadiene-η5-cyclopentadienyl-cobalt 104844-92-0 C20H35CoOSi3
    4-acetyl-1,2,3-tris(trimethylsilyl)-η4-cyclobutadiene-η5-cyclopentadienyl-cobalt
    —— 4-(4-fluorophenyl)indoline-2,3-dione 1165892-57-8 C14H8FNO2
    4-(4-fluorophenyl)indoline-2,3-dione
    —— 4-(3-acetyl-4-hydroxy-phenyl)-6-chloro-3-(3-methyl-isoxazol-5-yl)-1H-quinolin-2-one 835881-40-8 C21H15ClN2O4
    4-(3-acetyl-4-hydroxy-phenyl)-6-chloro-3-(3-methyl-isoxazol-5-yl)-1H-quinolin-2-one
    —— 4-methyl-5,6-dihydro-4H-[1,4]thiazine-3-carboxylic acid ethyl ester 90087-87-9 C8H13NO2S
    4-methyl-5,6-dihydro-4H-[1,4]thiazine-3-carboxylic acid ethyl ester
    —— 4-Acetyloxy-2-diacetylamino-benzonitril 111698-49-8 C13H12N2O4
    4-Acetyloxy-2-diacetylamino-benzonitril
    —— 4-Ethoxy-1,2,3-triazolo<1,5-a>chinoxalin 111339-77-6 C11H10N4O
    4-Ethoxy-1,2,3-triazolo<1,5-a>chinoxalin
    —— 4-(((3-(4-methylphenyl)-isoxazol-5-yl))methoxy)quinazoline 1459183-82-4 C19H15N3O2
    4-(((3-(4-methylphenyl)-isoxazol-5-yl))methoxy)quinazoline
    —— 4-(tert-butyl)-2-((tert-butylamino)methyl)-6-(5-(trifluoromethyl)pyrimidin-2-yl)phenol hydrochloride 1609654-18-3 C20H26F3N3O*ClH
    4-(tert-butyl)-2-((tert-butylamino)methyl)-6-(5-(trifluoromethyl)pyrimidin-2-yl)phenol hydrochloride
    —— 4-[3-[6-(4,4''-bis-trifluoromethoxy-[1,1';3',1'']terphenyl-5'-yloxy)-hexyl]-2-(2-carboxy-ethyl)-phenoxy]-butyric acid 1123157-42-5 C39H38F6O8
    4-[3-[6-(4,4''-bis-trifluoromethoxy-[1,1';3',1'']terphenyl-5'-yloxy)-hexyl]-2-(2-carboxy-ethyl)-phenoxy]-butyric acid
    —— 4-chloro-N-ethyl-1,1-dioxo-N-(2,2,2-trifluoroethyl)-1,2-benzothiazol-3-amine 936921-48-1 C11H10ClF3N2O2S
    4-chloro-N-ethyl-1,1-dioxo-N-(2,2,2-trifluoroethyl)-1,2-benzothiazol-3-amine