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中文名称 英文名称 CAS号 化学式 结构式图片
—— 4-ethoxy-6-ethylamino-2-isopropylamino-pyrimidine-5-carbonitrile 66309-35-1 C12H19N5O
4-ethoxy-6-ethylamino-2-isopropylamino-pyrimidine-5-carbonitrile
—— 4-hydroxy-2-p-(2'-hydroxyethyl)-sulfinyl-anilino-5-nitro-pyrimidine 83464-14-6 C12H12N4O5S
4-hydroxy-2-p-(2'-hydroxyethyl)-sulfinyl-anilino-5-nitro-pyrimidine
—— 4-(N-trifluoroacetyl-1-cyclopentylethylamino)-phenylacetyl chloride 77750-47-1 C17H19ClF3NO2
4-(N-trifluoroacetyl-1-cyclopentylethylamino)-phenylacetyl chloride
—— 4-{[4-(1-hydroxyimino-3-methyl-butyl)-phenoxy]-acetyl}-morpholine 42018-67-7 C17H24N2O4
4-{[4-(1-hydroxyimino-3-methyl-butyl)-phenoxy]-acetyl}-morpholine
—— 4-Ethoxycarbonyl-3-(4-chlor-3-nitrophenyl)-2-methoxycarbonyl-5-methylpyrrol 19849-06-0 C16H15ClN2O6
4-Ethoxycarbonyl-3-(4-chlor-3-nitrophenyl)-2-methoxycarbonyl-5-methylpyrrol
—— 4-chloro-7-nitro-5-trifluoromethyl-benzothiazole-2-carboxylic acid methylamide 40160-57-4 C10H5ClF3N3O3S
4-chloro-7-nitro-5-trifluoromethyl-benzothiazole-2-carboxylic acid methylamide
—— 4-(3,4-Dichloro-2,5-dioxo-cyclopent-3-enylidenemethyl)-benzaldehyde 41498-03-7 C13H6Cl2O3
4-(3,4-Dichloro-2,5-dioxo-cyclopent-3-enylidenemethyl)-benzaldehyde
—— 4'-(3-azetidin-1-yl-pyrrolidine-1-sulfonyl)-2'-trifluoromethyl-biphenyl-4-carbonitrile 917357-57-4 C21H20F3N3O2S
4'-(3-azetidin-1-yl-pyrrolidine-1-sulfonyl)-2'-trifluoromethyl-biphenyl-4-carbonitrile
—— 4-(2-Bromophenyl)cyclohexane-1-carboxylic acid 1485880-58-7 C13H15BrO2
4-(2-Bromophenyl)cyclohexane-1-carboxylic acid
—— 4-[2-(4-chlorobenzyloxy)benzyl]-5-trifluoromethyl-1,2-dihydropyrazol-3-one 478190-39-5 C18H14ClF3N2O2
4-[2-(4-chlorobenzyloxy)benzyl]-5-trifluoromethyl-1,2-dihydropyrazol-3-one
—— 4-Chloro-5-(5-thioxo-4,5-dihydro-[1,3,4]thiadiazol-2-ylsulfanyl)-[1,2]dithiol-3-one 23748-71-2 C5HClN2OS5
4-Chloro-5-(5-thioxo-4,5-dihydro-[1,3,4]thiadiazol-2-ylsulfanyl)-[1,2]dithiol-3-one
—— 4,4'-Bis<2-<4-(2-phenylethyl)phenyl>ethyl>biphenyl 66489-25-6 C44H42
4,4'-Bis<2-<4-(2-phenylethyl)phenyl>ethyl>biphenyl
—— 4''-O-[3-[[2-[(3-carboxy-7-chloro-1-cyclopropyl-1,4-dihydro-4-oxo-6-quinolinyl)amino]ethyl]oxy]propionyl]-(9E)-O-propyloximino erythromycin A 688329-30-8 C58H91ClN4O18
4''-O-[3-[[2-[(3-carboxy-7-chloro-1-cyclopropyl-1,4-dihydro-4-oxo-6-quinolinyl)amino]ethyl]oxy]propionyl]-(9E)-O-propyloximino erythromycin A
—— 4-Desoxy-7-O-<(2-methoxyethoxy)methyl>brefeldin-A-4-on 62957-26-0 C20H30O6
4-Desoxy-7-O-<(2-methoxyethoxy)methyl>brefeldin-A-4-on
—— 4-Isopropyl-thiazolidine; hydrochloride 23990-62-7 C6H13NS*ClH
4-Isopropyl-thiazolidine; hydrochloride
—— 4-[1,1,1,3,3,3-Hexafluoro-2-[3-[1,1,1,3,3,3-hexafluoro-2-[(4-nitrophenyl)methoxy]propan-2-yl]-4-methylphenyl]propan-2-yl]-2-[1,1,1,3,3,3-hexafluoro-2-[(4-nitrophenyl)methoxy]propan-2-yl]-1-methylbenzene 127002-46-4 C37H24F18N2O6
4-[1,1,1,3,3,3-Hexafluoro-2-[3-[1,1,1,3,3,3-hexafluoro-2-[(4-nitrophenyl)methoxy]propan-2-yl]-4-methylphenyl]propan-2-yl]-2-[1,1,1,3,3,3-hexafluoro-2-[(4-nitrophenyl)methoxy]propan-2-yl]-1-methylbenzene
—— 4,5,6-Trimethyl-1,3-dioxan 26561-69-3 C7H14O2
4,5,6-Trimethyl-1,3-dioxan
—— (4aS,8aR)-4-(3,4-Dimethoxy-phenyl)-2-(1-ethenesulfonyl-piperidin-4-yl)-4a,5,8,8a-tetrahydro-2H-phthalazin-1-one 380227-14-5 C23H29N3O5S
(4aS,8aR)-4-(3,4-Dimethoxy-phenyl)-2-(1-ethenesulfonyl-piperidin-4-yl)-4a,5,8,8a-tetrahydro-2H-phthalazin-1-one
—— {4-[(1S,3S,5R)-3-(5-Hydroxy-1H-indol-3-yl)-8-aza-bicyclo[3.2.1]oct-8-ylmethyl]-cyclohexyl}-carbamic acid tert-butyl ester 374088-22-9 C27H39N3O3
{4-[(1S,3S,5R)-3-(5-Hydroxy-1H-indol-3-yl)-8-aza-bicyclo[3.2.1]oct-8-ylmethyl]-cyclohexyl}-carbamic acid tert-butyl ester
—— <(4S)-2,2-dimethyl-1,3-dioxolan-4-yl>propyl tetra-O-acetyl-β-D-glucopyranoside 131622-45-2 C22H34O12
<(4S)-2,2-dimethyl-1,3-dioxolan-4-yl>propyl tetra-O-acetyl-β-D-glucopyranoside
—— 4-((S)-2-((S)-2-acetamido-3-(((2S,3R,4R,5R,6R)-3-acetamido-4,5-dihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)propanamido)-3-(((2S,3R,4R,5R,6R)-3-acetamido-4,5-dihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)propanamido)butanoic acid 153802-37-0 C28H47N5O17
4-((S)-2-((S)-2-acetamido-3-(((2S,3R,4R,5R,6R)-3-acetamido-4,5-dihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)propanamido)-3-(((2S,3R,4R,5R,6R)-3-acetamido-4,5-dihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)propanamido)butanoic acid
—— 4-Oxo-7-methyl-1-ethyl-3-(3,4-dichlor-phenylcarbamoyl)-1H,4H-1,8-naphthyridin 23681-65-4 C18H15Cl2N3O2
4-Oxo-7-methyl-1-ethyl-3-(3,4-dichlor-phenylcarbamoyl)-1H,4H-1,8-naphthyridin
—— 4-Ethyl-4-phenyl-2-methoxy-3-cyan-5-imino-Δ<sup>2</sup>-pyrrolin 38352-19-1 C14H15N3O
4-Ethyl-4-phenyl-2-methoxy-3-cyan-5-imino-Δ<sup>2</sup>-pyrrolin
—— 4-Isopropylimino-1-ethyl-3,3-diphenyl-azetidinon-(2) 30503-96-9 C20H22N2O
4-Isopropylimino-1-ethyl-3,3-diphenyl-azetidinon-(2)
—— (4-chloro-phenyl)-[1-(2-diisopropylamino-ethyl)-piperidin-4-yl]-methanol 36938-88-2 C20H33ClN2O
(4-chloro-phenyl)-[1-(2-diisopropylamino-ethyl)-piperidin-4-yl]-methanol
—— 4-ethyl-3-phenyl-chroman-4-ol 33103-12-7 C17H18O2
4-ethyl-3-phenyl-chroman-4-ol
—— 4-Nitro-benzoic acid 1-phenylsulfanylmethyl-butyl ester 30729-06-7 C18H19NO4S
4-Nitro-benzoic acid 1-phenylsulfanylmethyl-butyl ester
—— 4-(3-fluoro-4-methylphenyl)-2-(2-hydroxy-6-oxo-1-cyclohexenecarbonyl)-pyrido[2,3-b]pyrazin-3(4H)-one 1112125-49-1 C21H16FN3O4
4-(3-fluoro-4-methylphenyl)-2-(2-hydroxy-6-oxo-1-cyclohexenecarbonyl)-pyrido[2,3-b]pyrazin-3(4H)-one
—— 4-{3-[3-(methylsulfonyl)phenoxy]phenyl}quinoline-3-carboxamide 1020741-70-1 C23H18N2O4S
4-{3-[3-(methylsulfonyl)phenoxy]phenyl}quinoline-3-carboxamide
—— (4S)-4-({[(2-chloro-3-fluorophenyl)methyl]amino}-N-methylcarbonylamino)-5-[N-(6-fluoro(3-isoquinolyl))carbamoyloxy]-2-hydroxypentyl(2S)-2-amino-3-methylbutanoate 1119536-56-9 C29H34ClF2N5O6
(4S)-4-({[(2-chloro-3-fluorophenyl)methyl]amino}-N-methylcarbonylamino)-5-[N-(6-fluoro(3-isoquinolyl))carbamoyloxy]-2-hydroxypentyl(2S)-2-amino-3-methylbutanoate
—— 4-[5-(Ethoxycarbonyl)-3-pyridinyl]-1-piperazinecarboxylic acid 1,1-dimethylethyl ester 1260082-67-4 C17H25N3O4
4-[5-(Ethoxycarbonyl)-3-pyridinyl]-1-piperazinecarboxylic acid 1,1-dimethylethyl ester
—— 4-amino-2-(azetidin-1-yl)-8-(3-(pyrrolidin-1-ylmethyl)benzyl)-7,8-dihydropteridin-6(5H)-one 1228585-79-2 C21H27N7O
4-amino-2-(azetidin-1-yl)-8-(3-(pyrrolidin-1-ylmethyl)benzyl)-7,8-dihydropteridin-6(5H)-one
—— [4-[4-[3-(5-Ethyl-2-methylpiperidin-1-yl)propoxy]phenyl]piperazin-1-yl]-(2-methyl-5-propylphenyl)methanone 684244-89-1 C32H47N3O2
[4-[4-[3-(5-Ethyl-2-methylpiperidin-1-yl)propoxy]phenyl]piperazin-1-yl]-(2-methyl-5-propylphenyl)methanone
—— 4-(2-chloro-5-fluorophenylamino)-2-(pyridin-3-yl)thiazole-5-carboxylic acid 861708-62-5 C15H9ClFN3O2S
4-(2-chloro-5-fluorophenylamino)-2-(pyridin-3-yl)thiazole-5-carboxylic acid
—— (4R,5S)-2,2-Diethyl-5-(2-methoxy-ethoxymethoxymethyl)-[1,3]dioxolane-4-carbaldehyde 871514-68-0 C13H24O6
(4R,5S)-2,2-Diethyl-5-(2-methoxy-ethoxymethoxymethyl)-[1,3]dioxolane-4-carbaldehyde
—— 4-[(4-Fluorophenyl)amino]-6-(cyclopropylamino)-pyrimido-[5,4-d]-pyrimidine 176637-69-7 C15H13FN6
4-[(4-Fluorophenyl)amino]-6-(cyclopropylamino)-pyrimido-[5,4-d]-pyrimidine
—— 4-chlorodifluoromethyl-5-[1-(4-chlorophenyl)-1-(1,1-dimethylethoxy)methyl]pyrimidine 169373-82-4 C16H16Cl2F2N2O
4-chlorodifluoromethyl-5-[1-(4-chlorophenyl)-1-(1,1-dimethylethoxy)methyl]pyrimidine
—— 4,5,6,7-Tetrachloro-2-[8-chloro-4-methyl-2-(4,5,6,7-tetrabromo-1,3-dioxo-indan-2-yl)-quinolin-6-yl]-isoindole-1,3-dione 64513-39-9 C27H7Br4Cl5N2O4
4,5,6,7-Tetrachloro-2-[8-chloro-4-methyl-2-(4,5,6,7-tetrabromo-1,3-dioxo-indan-2-yl)-quinolin-6-yl]-isoindole-1,3-dione
—— 4-Chlor-1-jodacetylamino-anthrachinon 23941-50-6 C16H9ClINO3
4-Chlor-1-jodacetylamino-anthrachinon
—— 4-amino-6-({1-[5,6-dichloro-2-methoxy-4'-(methylsulfonyl)biphenyl-3-yl]ethyl}amino)pyrimidine-5-carbonitrile 1402000-22-9 C21H19Cl2N5O3S
4-amino-6-({1-[5,6-dichloro-2-methoxy-4'-(methylsulfonyl)biphenyl-3-yl]ethyl}amino)pyrimidine-5-carbonitrile
—— 4-amino-2-phenylcycloheptimidazole 129242-42-8 C14H11N3
4-amino-2-phenylcycloheptimidazole
—— [4-(4-{[1-(5-Chloro-2-hydroxy-phenyl)-meth-(Z)-ylidene]-amino}-benzenesulfonyl)-phenyl]-urea 38647-97-1 C20H16ClN3O4S
[4-(4-{[1-(5-Chloro-2-hydroxy-phenyl)-meth-(Z)-ylidene]-amino}-benzenesulfonyl)-phenyl]-urea
—— (4-Chloro-phenyl)-methoxymethyl-carbamic acid methyl ester 40151-36-8 C10H12ClNO3
(4-Chloro-phenyl)-methoxymethyl-carbamic acid methyl ester
—— 4-methoxy-2-phenyl-pyrrole 60658-95-9 C11H11NO
4-methoxy-2-phenyl-pyrrole
—— 4-[1-diethylcarbamoyl-5-(4,4,4-trifluoro-2-methyl-butylcarbamoyl)-1H-indol-3ylmethyl]-3-methoxy-benzoic acid 189807-87-2 C28H32F3N3O5
4-[1-diethylcarbamoyl-5-(4,4,4-trifluoro-2-methyl-butylcarbamoyl)-1H-indol-3ylmethyl]-3-methoxy-benzoic acid
—— 4-Nitropyrogallol-2-benzolsulfonat-1,3-dimethylether 32905-06-9 C14H13NO7S
4-Nitropyrogallol-2-benzolsulfonat-1,3-dimethylether
—— (4'aS,8'aS)-4'a-Methyl-6'-phenylselanyl-hexahydro-spiro[[1,3]dioxolane-2,2'-naphthalen]-5'-one 108401-42-9 C19H24O3Se
(4'aS,8'aS)-4'a-Methyl-6'-phenylselanyl-hexahydro-spiro[[1,3]dioxolane-2,2'-naphthalen]-5'-one
—— 4-methoxy-2-phenyl-pyrrole-3-carboxylic acid 60658-96-0 C12H11NO3
4-methoxy-2-phenyl-pyrrole-3-carboxylic acid
—— 4-Acetamido-1-methoxy-N-[8-(phenylmethyl)-8-azabicyclo[3.2.1]oct-3-b-yl]-2-naphthalenecarboxamide hydrochloride 188954-85-0 C28H31N3O3*ClH
4-Acetamido-1-methoxy-N-[8-(phenylmethyl)-8-azabicyclo[3.2.1]oct-3-b-yl]-2-naphthalenecarboxamide hydrochloride
—— 4-bromo-1-methoxy-N-[8-(4-chlorophenylmethyl)-8-azabicyclo[3.2.1]oct-3-b-yl]-2-naphthalenecarboxamide 188954-97-4 C26H26BrClN2O2
4-bromo-1-methoxy-N-[8-(4-chlorophenylmethyl)-8-azabicyclo[3.2.1]oct-3-b-yl]-2-naphthalenecarboxamide