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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-hydroxy-11-deoxycortisol 4,21-bis(tert-butyldimethylsilyl) ether 74997-19-6 C33H58O5Si2
    4-hydroxy-11-deoxycortisol 4,21-bis(tert-butyldimethylsilyl) ether
    —— 4-[1-({[1-(4-chlorophenyl)cyclopropyl]carbonyl}amino)-2,2-dimethylpropyl]-N-hydroxybenzamide 1332889-69-6 C22H25ClN2O3
    4-[1-({[1-(4-chlorophenyl)cyclopropyl]carbonyl}amino)-2,2-dimethylpropyl]-N-hydroxybenzamide
    —— 4-[(3R)-1-azabicyclo[2.2.2]oct-3-ylamino]-3-(1H-benzimidazol-2-yl)-6-fluoro-7-[(2-pyridin-2-ylethyl)amino]quinolin-2-(1H)-one 668425-91-0 C30H30FN7O
    4-[(3R)-1-azabicyclo[2.2.2]oct-3-ylamino]-3-(1H-benzimidazol-2-yl)-6-fluoro-7-[(2-pyridin-2-ylethyl)amino]quinolin-2-(1H)-one
    —— 4-(1-{2-[2-amino-6-(4-methylpiperazin-1-yl)pyrimidin-4-yl]-1,2,3,4-tetrahydroisoquinolin-7-yl}piperidin-4-yl)-1-methylpyridin-2(1H)-one 1233524-67-8 C29H38N8O
    4-(1-{2-[2-amino-6-(4-methylpiperazin-1-yl)pyrimidin-4-yl]-1,2,3,4-tetrahydroisoquinolin-7-yl}piperidin-4-yl)-1-methylpyridin-2(1H)-one
    —— 4-(1-benzyl-2,6-dimethyl-1H-pyridin-4-ylidene)-2-phenyl-4H-thiazol-5-one 13895-44-8 C23H20N2OS
    4-(1-benzyl-2,6-dimethyl-1H-pyridin-4-ylidene)-2-phenyl-4H-thiazol-5-one
    —— [4-(4-Cyclohex-2-enyl-2,6,7-trioxa-bicyclo[2.2.2]oct-1-yl)-phenylethynyl]-triisopropyl-silane 129338-87-0 C28H40O3Si
    [4-(4-Cyclohex-2-enyl-2,6,7-trioxa-bicyclo[2.2.2]oct-1-yl)-phenylethynyl]-triisopropyl-silane
    —— [4-(2,5-difluorobenzyloxy)phenyl]isobutoxy-acetic acid 1351161-38-0 C19H20F2O4
    [4-(2,5-difluorobenzyloxy)phenyl]isobutoxy-acetic acid
    —— 4-methyl-N-[(2R)-2-(oxan-2-yloxy)-2-phenylethyl]benzenesulfonamide 1092363-46-6 C20H25NO4S
    4-methyl-N-[(2R)-2-(oxan-2-yloxy)-2-phenylethyl]benzenesulfonamide
    —— 4-[(3R)-1-azabicyclo[2.2.2]oct-3-ylamino]-3-(1H-benzimidazol-2-yl)-7-(1H-imidazol-1-yl)-6-(2-methoxyphenyl)quinolin-2(1H)-one 668426-49-1 C33H31N7O2
    4-[(3R)-1-azabicyclo[2.2.2]oct-3-ylamino]-3-(1H-benzimidazol-2-yl)-7-(1H-imidazol-1-yl)-6-(2-methoxyphenyl)quinolin-2(1H)-one
    —— 4-(3-Chlorophenyl)sulfonyl-5,11-dimethyl-2,6,7,11-tetrazatricyclo[7.4.0.03,7]trideca-1,3,5,8-tetraene;hydrochloride 1194981-91-3 C17H17ClN4O2S*ClH
    4-(3-Chlorophenyl)sulfonyl-5,11-dimethyl-2,6,7,11-tetrazatricyclo[7.4.0.03,7]trideca-1,3,5,8-tetraene;hydrochloride
    —— 4-carbethoxymethylidene-4,5,6,7-tetrahydro<1H>pyrrolo<3,2-c>pyridine 82859-01-6 C11H14N2O2
    4-carbethoxymethylidene-4,5,6,7-tetrahydro<1H>pyrrolo<3,2-c>pyridine
    —— 4',6-dimethyl-N-{4-[2-(1H-1,2,4-triazol-1-yl)ethoxy]phenyl}-1,1'-biphenyl-2-carboxamide 689169-05-9 C25H24N4O2
    4',6-dimethyl-N-{4-[2-(1H-1,2,4-triazol-1-yl)ethoxy]phenyl}-1,1'-biphenyl-2-carboxamide
    —— 4-amino-1-{(2R)-2-((1R)-3,3-difluorocyclopentyl)-2-hydroxy-2-phenylacetyl}piperidine monohydrochloride 234779-11-4 C18H24F2N2O2*ClH
    4-amino-1-{(2R)-2-((1R)-3,3-difluorocyclopentyl)-2-hydroxy-2-phenylacetyl}piperidine monohydrochloride
    —— 4-cyano-4-(6-fluoro-1-methoxy-9-methyl-9H-carbazol-4-yl)-heptanedioic acid dimethyl ester 1188267-60-8 C24H25FN2O5
    4-cyano-4-(6-fluoro-1-methoxy-9-methyl-9H-carbazol-4-yl)-heptanedioic acid dimethyl ester
    —— 4-methyl-5-methylthio-4-oxo-1,4-dihydro-thieno[3,2-b]pyridin-3,6-dicarbonitrile 1044860-53-8 C11H7N3OS2
    4-methyl-5-methylthio-4-oxo-1,4-dihydro-thieno[3,2-b]pyridin-3,6-dicarbonitrile
    —— 4-Ethynyl-3-fluorobenzoic acid 1862427-77-7 C9H5FO2
    4-Ethynyl-3-fluorobenzoic acid
    —— 4-({butyl[(1R)-1-(1-butyl-2,4-diphenyl-1H-imidazol-5-yl)ethyl]amino}methyl)benzoic acid 610286-49-2 C33H39N3O2
    4-({butyl[(1R)-1-(1-butyl-2,4-diphenyl-1H-imidazol-5-yl)ethyl]amino}methyl)benzoic acid
    —— 4-trifluoromethyl-2-i-propoxycarbonyl-thiophene-3-sulphonyl chloride 1231421-34-3 C9H8ClF3O4S2
    4-trifluoromethyl-2-i-propoxycarbonyl-thiophene-3-sulphonyl chloride
    —— 4-methyl-4<i>H</i>-[1,2,4]triazole; hydrochloride 110953-16-7 C3H5N3*ClH
    4-methyl-4<i>H</i>-[1,2,4]triazole; hydrochloride
    —— 4-(quinolin-4-yloxy)aniline 863503-93-9 C15H12N2O
    4-(quinolin-4-yloxy)aniline
    —— 4,6-Diethoxy-2-hydroxy-5-methoxy-acetophenon 18086-01-6 C13H18O5
    4,6-Diethoxy-2-hydroxy-5-methoxy-acetophenon
    —— 4-Benzyl-12-chloro-10-nitro-2-oxatricyclo[7.3.1.05,13]trideca-1(12),5,7,9(13),10-pentaen-4-ol 1314798-48-5 C19H14ClNO4
    4-Benzyl-12-chloro-10-nitro-2-oxatricyclo[7.3.1.05,13]trideca-1(12),5,7,9(13),10-pentaen-4-ol
    —— 4-(3-amino-prop-1-ynyl)benzoic acid methyl ester hydrochloride 847460-43-9 C11H11NO2*ClH
    4-(3-amino-prop-1-ynyl)benzoic acid methyl ester hydrochloride
    —— 4-(4,6-dimethoxy-5-nitro-pyrimidin-2-yl)-[1,4]diazepane-1-carboxylic acid tert-butyl ester 918445-22-4 C16H25N5O6
    4-(4,6-dimethoxy-5-nitro-pyrimidin-2-yl)-[1,4]diazepane-1-carboxylic acid tert-butyl ester
    —— 4-(1H-Imidazol-4-YL)-benzylamine dihydrochloride 1187929-18-5 C10H13Cl2N3
    4-(1H-Imidazol-4-YL)-benzylamine dihydrochloride
    —— 4-phenyl-2<i>H</i>-arsinino[4,3-<i>b</i>]pyran 72040-43-8 C14H11AsO
    4-phenyl-2<i>H</i>-arsinino[4,3-<i>b</i>]pyran
    —— 4-hydroxy-1,4-dimethyl-pentyl 4541-58-6 C7H15O
    4-hydroxy-1,4-dimethyl-pentyl
    —— 4-cyclohexylidene-crotonaldehyde-(2,4-dinitro-phenylhydrazone) 7071-34-3 C16H18N4O4
    4-cyclohexylidene-crotonaldehyde-(2,4-dinitro-phenylhydrazone)
    —— 4-[(5-(N-methyl-piperidinocarbonylamino)-1-(3-carboxy-n-propyl)-1H-benzimidazol-2-yl)-methyl]-benzamidine-hydrochloride 236415-84-2 C26H32N6O3*ClH
    4-[(5-(N-methyl-piperidinocarbonylamino)-1-(3-carboxy-n-propyl)-1H-benzimidazol-2-yl)-methyl]-benzamidine-hydrochloride
    —— 4-iodobenzenediazonium chloride 20893-72-5 C6H4IN2*Cl
    4-iodobenzenediazonium chloride
    —— 4-methoxy-1,4-bis(trimethylgermyl)cyclohexene 119352-01-1 C13H28Ge2O
    4-methoxy-1,4-bis(trimethylgermyl)cyclohexene
    —— 4,5-dichloro-2-[2-[(2R,5S)-4-[(4-fluorophenyl)methyl]-2,5-dimethylpiperazinyl]-2-oxoethoxy]benzoic acid 863402-59-9 C22H23Cl2FN2O4
    4,5-dichloro-2-[2-[(2R,5S)-4-[(4-fluorophenyl)methyl]-2,5-dimethylpiperazinyl]-2-oxoethoxy]benzoic acid
    —— 4-(fluoro(phenylthio)methyl)-3-methyl-1-phenyl-1,7-dihydro-6H-pyrazolo[3,4-b]pyridin-6-one 1350908-55-2 C20H16FN3OS
    4-(fluoro(phenylthio)methyl)-3-methyl-1-phenyl-1,7-dihydro-6H-pyrazolo[3,4-b]pyridin-6-one
    —— 4-amino-5-chloro-2-methoxy-N-<(4-methyl-2-morpholinyl)methyl>benzamide 141815-51-2 C14H20ClN3O3
    4-amino-5-chloro-2-methoxy-N-<(4-methyl-2-morpholinyl)methyl>benzamide
    —— 4-ferrocenylbenzylacetate 1157855-00-9 C19H18FeO2
    4-ferrocenylbenzylacetate
    —— [4-[3-(Trifluoromethyl)anilino]-5,6,7,8-tetrahydroisoquinolin-1-yl] trifluoromethanesulfonate 1357187-75-7 C17H14F6N2O3S
    [4-[3-(Trifluoromethyl)anilino]-5,6,7,8-tetrahydroisoquinolin-1-yl] trifluoromethanesulfonate
    —— 4-[(5-chloro-1-methyl-6-oxo-1,6-dihydro-pyridin-3-ylamino)-(4-cyano-2-methylphenyl)-methyl]-1-(5-cyano-2-methoxy-phenyl)-5-isopropyl-1H-pyrazole-3-carboxylic acid ethyl ester 1441758-60-6 C32H31ClN6O4
    4-[(5-chloro-1-methyl-6-oxo-1,6-dihydro-pyridin-3-ylamino)-(4-cyano-2-methylphenyl)-methyl]-1-(5-cyano-2-methoxy-phenyl)-5-isopropyl-1H-pyrazole-3-carboxylic acid ethyl ester
    —— {4-[5-fluoro-2-(3-methyl-3-phenylbutyryl)-1,2,3,4-tetrahydroisoquinolin-8-yl]-3-isopropoxyphenyl}acetic acid 1445888-92-5 C31H34FNO4
    {4-[5-fluoro-2-(3-methyl-3-phenylbutyryl)-1,2,3,4-tetrahydroisoquinolin-8-yl]-3-isopropoxyphenyl}acetic acid
    —— 4,5-carboranylene-1,1,3,3-tetramethyl-2-[phenyl(trimethylsilyl)methylene]-1,3-disilacyclopentane 268226-43-3 C17H36B10Si3
    4,5-carboranylene-1,1,3,3-tetramethyl-2-[phenyl(trimethylsilyl)methylene]-1,3-disilacyclopentane
    —— (4S)-[3-2H2]-4-thiophenyl-azetidinone 255398-99-3 C9H9NOS
    (4S)-[3-2H2]-4-thiophenyl-azetidinone
    —— 4-(2-bromo-4-tert-butylphenoxy)-6-methyl-2-pyrone 1259312-86-1 C16H17BrO3
    4-(2-bromo-4-tert-butylphenoxy)-6-methyl-2-pyrone
    —— 4-aminomethyl-4'-methylpsoralen hydrochloride 225380-75-6 C13H11NO3*ClH
    4-aminomethyl-4'-methylpsoralen hydrochloride
    —— 4-methyl-2-ethoxycarbonyl-thiophene-3-sulphonamide 190374-93-7 C8H11NO4S2
    4-methyl-2-ethoxycarbonyl-thiophene-3-sulphonamide
    —— 4-[(1S,2S)-1,2-Dihydroxy-2-(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-naphthalen-2-yl)-propyl]-benzoic acid 119436-10-1 C24H30O4
    4-[(1S,2S)-1,2-Dihydroxy-2-(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-naphthalen-2-yl)-propyl]-benzoic acid
    —— 4-(9-anthryl)-1,2,3,3a,4,5-hexahydro-5,9b<1',2'>-benzeno-9bH-benz<e>inden-3-ol 101970-17-6 C33H26O
    4-(9-anthryl)-1,2,3,3a,4,5-hexahydro-5,9b<1',2'>-benzeno-9bH-benz<e>inden-3-ol
    —— <4-(4-Chlor-phenyl)-thiazol-2-yl>-phenyl-disulfid 97833-30-2 C15H10ClNS3
    <4-(4-Chlor-phenyl)-thiazol-2-yl>-phenyl-disulfid
    —— (4-Hydroxy-butyl)-(2-methoxyimino-ethyl)-carbamic acid tert-butyl ester 210751-95-4 C12H24N2O4
    (4-Hydroxy-butyl)-(2-methoxyimino-ethyl)-carbamic acid tert-butyl ester
    —— 4,6-difluoro-3-(p-anisyl)isobenzofuran-1(3H)-one 1233346-90-1 C15H10F2O3
    4,6-difluoro-3-(p-anisyl)isobenzofuran-1(3H)-one
    —— 4-chlorobenzyl 3-(3-hydroxyphenyl)acrylate 1227290-44-9 C16H13ClO3
    4-chlorobenzyl 3-(3-hydroxyphenyl)acrylate
    —— 4-<Bis-(2-chloraethyl)amino>-benzyliden-p-nitro-anilin 105886-52-0 C17H17Cl2N3O2
    4-<Bis-(2-chloraethyl)amino>-benzyliden-p-nitro-anilin