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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-Oxo-3,4-dihydro-3,1,2-benzothiadiazin 32187-16-9 C7H4N2OS
    4-Oxo-3,4-dihydro-3,1,2-benzothiadiazin
    —— 4-ethylsulfanyl-2-benzyl-butyric acid-(3-diethylamino-propyl ester) 110436-95-8 C20H33NO2S
    4-ethylsulfanyl-2-benzyl-butyric acid-(3-diethylamino-propyl ester)
    —— 4,4-Diphenyl-3-methylbuttersaeuremethylester 57090-72-9 C18H20O2
    4,4-Diphenyl-3-methylbuttersaeuremethylester
    —— 4-Cyclopentyl-2-((4-(piperidin-1-ylmethyl)phenoxy)methyl)morpholine 1093619-46-5 C22H34N2O2
    4-Cyclopentyl-2-((4-(piperidin-1-ylmethyl)phenoxy)methyl)morpholine
    —— 4'-Carboxy-4-sulfamoyl-benzil-methylester 92856-64-9 C16H13NO6S
    4'-Carboxy-4-sulfamoyl-benzil-methylester
    —— 4-hexyloxy-2-phenyl-2<i>H</i>-phthalazin-1-one 109254-22-0 C20H22N2O2
    4-hexyloxy-2-phenyl-2<i>H</i>-phthalazin-1-one
    —— 4-(2-Nitro-phenyl)-azetidinon-(2) 90417-50-8 C9H8N2O3
    4-(2-Nitro-phenyl)-azetidinon-(2)
    —— 4-(ethoxycarbonyl)-2,3,5,6-tetradeuterophenyl isocyanide 1174395-61-9 C10H9NO2
    4-(ethoxycarbonyl)-2,3,5,6-tetradeuterophenyl isocyanide
    —— {4-[bis-(2-benzoyloxy-ethyl)-amino]-phenyl}-ethenetricarbonitrile 117099-82-8 C29H22N4O4
    {4-[bis-(2-benzoyloxy-ethyl)-amino]-phenyl}-ethenetricarbonitrile
    —— 4-(N,N-diethylcarbamoyloxy)-5,5-difluoropent-4-ene-1,2-diol 849042-85-9 C10H17F2NO4
    4-(N,N-diethylcarbamoyloxy)-5,5-difluoropent-4-ene-1,2-diol
    —— 4-chloro-3-{2-[3-(2-dimethylamino-ethoxy)-phenylamino]-[1,2,4]triazolo[1,5-a]pyridin-6-yl}-phenol 1239954-72-3 C22H22ClN5O2
    4-chloro-3-{2-[3-(2-dimethylamino-ethoxy)-phenylamino]-[1,2,4]triazolo[1,5-a]pyridin-6-yl}-phenol
    —— (4bR,4,S,8aS,9R)-11-(2-fluoroethyl)-3,8a-dihydroxy-5,7,8,8a,9,10-hexahydrospiro[9,4b-(epiminoethano)phenanthrene-6,4'-imidazolidine]-2',5'-dione 1613736-29-0 C20H24FN3O4
    (4bR,4,S,8aS,9R)-11-(2-fluoroethyl)-3,8a-dihydroxy-5,7,8,8a,9,10-hexahydrospiro[9,4b-(epiminoethano)phenanthrene-6,4'-imidazolidine]-2',5'-dione
    —— 4-Amino-2-methyl-chinolyl-(6)-isothiocyanat 91093-89-9 C11H9N3S
    4-Amino-2-methyl-chinolyl-(6)-isothiocyanat
    —— 4,5α-epoxy-3,14β-dihydroxy-6,6Z(methoxycarbonylethenyl)-17-(cyclopropylmethyl)morphinan 879874-75-6 C23H27NO5
    4,5α-epoxy-3,14β-dihydroxy-6,6Z(methoxycarbonylethenyl)-17-(cyclopropylmethyl)morphinan
    —— 4-Benzyl-6-[(3-propan-2-yl-4-quinolin-2-yloxyphenyl)methyl]benzene-1,2,3-triol 877878-25-6 C32H29NO4
    4-Benzyl-6-[(3-propan-2-yl-4-quinolin-2-yloxyphenyl)methyl]benzene-1,2,3-triol
    —— 4-benzoyloxy-3-(N-ethoxypropionimidoyl)-6-methyl-α-pyrone 53542-05-5 C18H19NO5
    4-benzoyloxy-3-(N-ethoxypropionimidoyl)-6-methyl-α-pyrone
    —— 4-(8-amino-3-((trans)-4-hydroxycyclohexyl)imidazo[1,5-a]pyrazin-1-yl)-N-(4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)benzamide 1419213-65-2 C26H28N6O2S
    4-(8-amino-3-((trans)-4-hydroxycyclohexyl)imidazo[1,5-a]pyrazin-1-yl)-N-(4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)benzamide
    —— (4-fluoro-5-iodo-indol-1-yl)-triisopropylsilane 1240113-38-5 C17H25FINSi
    (4-fluoro-5-iodo-indol-1-yl)-triisopropylsilane
    —— 4-benzyl-3-ethenyloxolan-2-one 113495-38-8 C13H14O2
    4-benzyl-3-ethenyloxolan-2-one
    —— (4-Benzyloxycarbonylamino-phenyl)-[(Z)-hydroxyimino]-acetic acid methyl ester 75626-54-9 C17H16N2O5
    (4-Benzyloxycarbonylamino-phenyl)-[(Z)-hydroxyimino]-acetic acid methyl ester
    —— 4,4'-(butane-1,4-diyl)bis(2,7-dichlorobenzo[e][1,2]oxaphosphinine 2-oxide) 1447769-25-6 C20H16Cl4O4P2
    4,4'-(butane-1,4-diyl)bis(2,7-dichlorobenzo[e][1,2]oxaphosphinine 2-oxide)
    —— 4-bromo-2,6-bis-(2-hydroxy-3-hydroxymethyl-5-methyl-benzyl)-phenol 51775-05-4 C24H25BrO5
    4-bromo-2,6-bis-(2-hydroxy-3-hydroxymethyl-5-methyl-benzyl)-phenol
    —— 4-(4-Ethoxy-phenyl)-3-ethyl-4-hydroxy-3,4-dihydro-benzo[d][1,2]oxazin-1-one 81829-42-7 C18H19NO4
    4-(4-Ethoxy-phenyl)-3-ethyl-4-hydroxy-3,4-dihydro-benzo[d][1,2]oxazin-1-one
    —— (4-o-Tolylsulfamoyl-phenyl)-acetic acid 78297-67-3 C15H15NO4S
    (4-o-Tolylsulfamoyl-phenyl)-acetic acid
    —— 4-(Ethoxycarbonylcarbamothioylamino)benzoic acid 23822-49-3 C11H12N2O4S
    4-(Ethoxycarbonylcarbamothioylamino)benzoic acid
    —— 4-[4-(hexadecylamino)benzoyl]oxybut-2-enyl 4-(hexadecylamino)benzoate 86410-52-8 C50H82N2O4
    4-[4-(hexadecylamino)benzoyl]oxybut-2-enyl 4-(hexadecylamino)benzoate
    —— 4-[3-(6-Chloro-2-napthyl)sulfonylpropyl]-8-(2-methyl-4-pyridyl)-1-thia-4,8-diazaspiro[4.5]decane-3-one 1,1-dioxide 392329-59-8 C26H28ClN3O5S2
    4-[3-(6-Chloro-2-napthyl)sulfonylpropyl]-8-(2-methyl-4-pyridyl)-1-thia-4,8-diazaspiro[4.5]decane-3-one 1,1-dioxide
    —— 4-chloro-7-iodo-2-methyl-thiazolo[4,5-c]pyridine 936477-39-3 C7H4ClIN2S
    4-chloro-7-iodo-2-methyl-thiazolo[4,5-c]pyridine
    —— 4'-methoxy-2,6-dimethyl-4,3',5'-tris(1,1-dimethylethyl)-1,1'-biphenyl 104463-77-6 C27H40O
    4'-methoxy-2,6-dimethyl-4,3',5'-tris(1,1-dimethylethyl)-1,1'-biphenyl
    —— 4-methyl-3,5-dinitro-phenetole 21859-72-3 C9H10N2O5
    4-methyl-3,5-dinitro-phenetole
    —— 4,4-Tetramethylen-1,4-dihydropyridin 37778-32-8 C9H13N
    4,4-Tetramethylen-1,4-dihydropyridin
    —— 4-(2-methanesulfonyl-4-nitro-phenylazo)-<i>N</i>,<i>N</i>-dimethyl-3-trimethylsilanyl-aniline 18054-32-5 C18H24N4O4SSi
    4-(2-methanesulfonyl-4-nitro-phenylazo)-<i>N</i>,<i>N</i>-dimethyl-3-trimethylsilanyl-aniline
    —— 4-Chlor-buten-(2)-yl-(N-phenyl-urethan) 91952-24-8 C11H12ClNO2
    4-Chlor-buten-(2)-yl-(N-phenyl-urethan)
    —— 4-(2-[(2-hydroxyethyl)amino]-4-methyl-7-oxopyrido[2,3-d]pyrimidin-8(7H)-yl)-N-octylbenzamide 583875-43-8 C25H33N5O3
    4-(2-[(2-hydroxyethyl)amino]-4-methyl-7-oxopyrido[2,3-d]pyrimidin-8(7H)-yl)-N-octylbenzamide
    —— 4-((5-(((3-ethylphenyl)amino)carbonyl)-2-naphthalenyl)oxy)-N-methyl-2-pyridinecarboxamide 861875-99-2 C26H23N3O3
    4-((5-(((3-ethylphenyl)amino)carbonyl)-2-naphthalenyl)oxy)-N-methyl-2-pyridinecarboxamide
    —— 4-[4-(tert-butyl)benzyloxy]-3-nitro-4'-(trifluoromethoxy)biphenyl 1018959-42-6 C24H22F3NO4
    4-[4-(tert-butyl)benzyloxy]-3-nitro-4'-(trifluoromethoxy)biphenyl
    —— (4R)-1-(4-aminophenyl)-N-cyclopropyl-7,8-dimethoxy-4-methyl-4,5-dihydro-2,3-benzodiazepine-3-carboxamide 1071134-60-5 C22H26N4O3
    (4R)-1-(4-aminophenyl)-N-cyclopropyl-7,8-dimethoxy-4-methyl-4,5-dihydro-2,3-benzodiazepine-3-carboxamide
    —— 4-((4-(2-fluoro-[1,1'-biphenyl]-4-yl)piperazin-1-yl)sulfonyl)tetrahydro-2H-pyran-4-carboxylic acid 1382869-61-5 C22H25FN2O5S
    4-((4-(2-fluoro-[1,1'-biphenyl]-4-yl)piperazin-1-yl)sulfonyl)tetrahydro-2H-pyran-4-carboxylic acid
    —— 4-(4-fluoro-2-methyl-1H-indol-5-yloxy)-N-(6-methoxypyridin-3-yl)pyrimidin-2-amine 1071104-40-9 C19H16FN5O2
    4-(4-fluoro-2-methyl-1H-indol-5-yloxy)-N-(6-methoxypyridin-3-yl)pyrimidin-2-amine
    —— [4-(4-methoxybenzyl)-3-oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazin-6-yl]carbamic acid tert-butyl ester 1619974-79-6 C20H23N3O5
    [4-(4-methoxybenzyl)-3-oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazin-6-yl]carbamic acid tert-butyl ester
    —— 4-Methoxycarbonyloxy-2-methoxybenzoesaeure-methylester 861530-62-3 C11H12O6
    4-Methoxycarbonyloxy-2-methoxybenzoesaeure-methylester
    —— (4aR,11bR,12S)-4,4a-dihydro-3H,6H-11b,5-ethano[1,3]dioxolo[4,5-j]phenanthridin-12-yl 2,5-dibromobenzoate 1422279-18-2 C23H19Br2NO4
    (4aR,11bR,12S)-4,4a-dihydro-3H,6H-11b,5-ethano[1,3]dioxolo[4,5-j]phenanthridin-12-yl 2,5-dibromobenzoate
    —— 4-(4-Phenoxy-phenoxy)-butyric acid ethyl ester 56794-31-1 C18H20O4
    4-(4-Phenoxy-phenoxy)-butyric acid ethyl ester
    —— (4aS,4bR,5S,6aS,6bR,9aS,10aS,10bS,12S)-4b,12-difluoro-5-hydroxy-4a,6a-dimethyl-2-oxo-8-(3-phenyl-propyl)2,4a,4b,5,6,6a,8,9,9a,10,10a,10b,11,12-tetradecahydro-7-oxa-8-aza-pentaleno[2,1-a]phenanthrene-6b-carbothioicacid S-iodomethylester 1270040-91-9 C31H36F2INO4S
    (4aS,4bR,5S,6aS,6bR,9aS,10aS,10bS,12S)-4b,12-difluoro-5-hydroxy-4a,6a-dimethyl-2-oxo-8-(3-phenyl-propyl)2,4a,4b,5,6,6a,8,9,9a,10,10a,10b,11,12-tetradecahydro-7-oxa-8-aza-pentaleno[2,1-a]phenanthrene-6b-carbothioicacid S-iodomethylester
    —— (4-methoxy-phenyl)-(5-nitro-furan-2-yl)-methanone 21494-04-2 C12H9NO5
    (4-methoxy-phenyl)-(5-nitro-furan-2-yl)-methanone
    —— 4-Pyridin-1-ium-1-ylbutanenitrile;bromide 64480-46-2 Br*C9H11N2
    4-Pyridin-1-ium-1-ylbutanenitrile;bromide
    —— 4-(3-Cyano-4-pyridin-2-ylpyrrol-1-yl)benzoic acid;hydrochloride 1072203-79-2 C17H11N3O2*ClH
    4-(3-Cyano-4-pyridin-2-ylpyrrol-1-yl)benzoic acid;hydrochloride
    —— 4-({2-[(4-chloro-3-thien-3-ylphenyl)amino]-1-methyl-1H-benzimidazol-5-yl}oxy)-N-(2-pyrrolidin-1-ylethyl)pyridine-2-carboxamide 710352-28-6 C30H29ClN6O2S
    4-({2-[(4-chloro-3-thien-3-ylphenyl)amino]-1-methyl-1H-benzimidazol-5-yl}oxy)-N-(2-pyrrolidin-1-ylethyl)pyridine-2-carboxamide
    —— 4-[4-amino-5-(2,2-dimethyl-propionyl)-thiazol-2-ylamino]-benzenesulfonamide 746626-09-5 C14H18N4O3S2
    4-[4-amino-5-(2,2-dimethyl-propionyl)-thiazol-2-ylamino]-benzenesulfonamide
    —— 4,4'-Bis-(4-methoxy-phenyliminomethyl)-diphenylaether 3525-58-4 C28H24N2O3
    4,4'-Bis-(4-methoxy-phenyliminomethyl)-diphenylaether