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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-methoxy-2,6-bis(trimethylsilyl)phenyl triflate 1313182-81-8 C14H23F3O4SSi2
    4-methoxy-2,6-bis(trimethylsilyl)phenyl triflate
    —— 4,4-Diphenyl-octahydro-2-aza-4-sila-inden-7-one 203570-64-3 C19H21NOSi
    4,4-Diphenyl-octahydro-2-aza-4-sila-inden-7-one
    —— 4-((2S)-2,4-dimetyl-1-oxopent-4-enyl)-(7R)-10,10-dimethyl-5-thia-4-azatricyclo<5.2.1.0>decane-5,5-dioxide 128947-20-6 C17H27NO3S
    4-((2S)-2,4-dimetyl-1-oxopent-4-enyl)-(7R)-10,10-dimethyl-5-thia-4-azatricyclo<5.2.1.0>decane-5,5-dioxide
    —— (4aR,8aS)-4,4-Dimethyl-4a,7,8,8a-tetrahydro-4H-isochromene-1,3-dione 85251-26-9 C11H14O3
    (4aR,8aS)-4,4-Dimethyl-4a,7,8,8a-tetrahydro-4H-isochromene-1,3-dione
    —— (4aS,5S,6R,8aS)-5-(3-tert-butyldimethylsilyloxypropyl)-5,8a-dimethyl-6-(hydroxy)decahydronaphthalen-1-one 854520-40-4 C21H40O3Si
    (4aS,5S,6R,8aS)-5-(3-tert-butyldimethylsilyloxypropyl)-5,8a-dimethyl-6-(hydroxy)decahydronaphthalen-1-one
    —— 4-Chloro-7-methyl-1H-indole-3-carbaldehyde 1158280-22-8 C10H8ClNO
    4-Chloro-7-methyl-1H-indole-3-carbaldehyde
    —— 4-Acetoxy-tetradec-5-ynoic acid 133399-86-7 C16H26O4
    4-Acetoxy-tetradec-5-ynoic acid
    —— (4aS,5R,8aR,9aS)-3,4a,5-trimethyl-4a,7,8,8a,9,9a-hexahydro-4H-spiro[naphtho[2,3-b]furan-6,2'-[1,3]dithiolan]-2(5H)-one 135413-49-9 C17H24O2S2
    (4aS,5R,8aR,9aS)-3,4a,5-trimethyl-4a,7,8,8a,9,9a-hexahydro-4H-spiro[naphtho[2,3-b]furan-6,2'-[1,3]dithiolan]-2(5H)-one
    —— 4-(diphenyltelluroniooxy)phenolate 116043-20-0 C18H14O2Te
    4-(diphenyltelluroniooxy)phenolate
    —— (4-Methyl-benzyl)-phenyl-phosphinic acid (2S,3R)-4-iodo-2,3-dimethoxy-butyl ester 118643-60-0 C20H26IO4P
    (4-Methyl-benzyl)-phenyl-phosphinic acid (2S,3R)-4-iodo-2,3-dimethoxy-butyl ester
    —— 4-(5-methylisoxazol-3-yl)-2H-benzo[b][1,4]oxazin-3(4H)-one 1260540-71-3 C12H10N2O3
    4-(5-methylisoxazol-3-yl)-2H-benzo[b][1,4]oxazin-3(4H)-one
    —— 4-(4-(2,5-difluoro-4-methoxyphenyl)-2-(dimethoxymethyl)thiophen-3-yl)-3,5-dimethylisoxazole 1360605-15-7 C19H19F2NO4S
    4-(4-(2,5-difluoro-4-methoxyphenyl)-2-(dimethoxymethyl)thiophen-3-yl)-3,5-dimethylisoxazole
    —— 4a-hydroxy-9b-methoxy-3,3,7,7-tetramethyl-2,4,6,8-tetrahydrodibenzofuran-1,9-dione 138009-47-9 C17H24O5
    4a-hydroxy-9b-methoxy-3,3,7,7-tetramethyl-2,4,6,8-tetrahydrodibenzofuran-1,9-dione
    —— 4-bromo-N-(1-{[(3R)-1-(2,2-dimethylpropanoyl)pyrrolidin-3-yl]carbonyl}piperidin-4-yl)-2-(trifluoromethyl)benzenesulfonamide 1027010-75-8 C22H29BrF3N3O4S
    4-bromo-N-(1-{[(3R)-1-(2,2-dimethylpropanoyl)pyrrolidin-3-yl]carbonyl}piperidin-4-yl)-2-(trifluoromethyl)benzenesulfonamide
    —— (4-methyl-5-methylene-4,5-dihydro-thiazol-2-yl)-(3-trifluoromethyl-phenyl)-amine 40046-14-8 C12H11F3N2S
    (4-methyl-5-methylene-4,5-dihydro-thiazol-2-yl)-(3-trifluoromethyl-phenyl)-amine
    —— 4-Nitro-benzoic acid 2-methoxy-4-[(E)-3-oxo-3-(4-phenyl-piperidin-1-yl)-propenyl]-phenyl ester 38442-67-0 C28H26N2O6
    4-Nitro-benzoic acid 2-methoxy-4-[(E)-3-oxo-3-(4-phenyl-piperidin-1-yl)-propenyl]-phenyl ester
    —— [4-Methyl-5-methylsulfanyl-[1,2]dithiol-(3Z)-ylidene]-acetaldehyde 40223-42-5 C7H8OS3
    [4-Methyl-5-methylsulfanyl-[1,2]dithiol-(3Z)-ylidene]-acetaldehyde
    —— 4-Carbamoyl-6-nitro-2-phenyl-quinoline-3-carboxylic acid ethyl ester 34505-85-6 C19H15N3O5
    4-Carbamoyl-6-nitro-2-phenyl-quinoline-3-carboxylic acid ethyl ester
    —— 4-Benzoyloxy-1-phenethyl-4-o-tolyl-piperidin 1888-13-7 C27H29NO2
    4-Benzoyloxy-1-phenethyl-4-o-tolyl-piperidin
    —— 4,8-Dichlor-α-naphthoesaeure 6680-12-2 C11H6Cl2O2
    4,8-Dichlor-α-naphthoesaeure
    —— [4-(4-Fluoro-benzenesulfonyl)-phenyl]-carbamic acid heptyl ester 32374-79-1 C20H24FNO4S
    [4-(4-Fluoro-benzenesulfonyl)-phenyl]-carbamic acid heptyl ester
    —— 4-(4-fluorobenzyl)-3a-methyl-2,3,3a,4-tetrahydropyrrolo[1,2-a]quinazolin-5(1H)-one 1234324-06-1 C19H19FN2O
    4-(4-fluorobenzyl)-3a-methyl-2,3,3a,4-tetrahydropyrrolo[1,2-a]quinazolin-5(1H)-one
    —— (4S,5S)-4-[(1S,2R,3S,4S,6R)-1-Benzyloxy-4-(tert-butyl-dimethyl-silanyloxy)-3-(2,2-dimethoxy-ethyl)-3-methyl-7-oxa-bicyclo[4.2.0]oct-2-yl]-6,6,8-trimethyl-1,3-dioxa-spiro[4.5]dec-8-ene-2,7-dione 168421-68-9 C36H54O9Si
    (4S,5S)-4-[(1S,2R,3S,4S,6R)-1-Benzyloxy-4-(tert-butyl-dimethyl-silanyloxy)-3-(2,2-dimethoxy-ethyl)-3-methyl-7-oxa-bicyclo[4.2.0]oct-2-yl]-6,6,8-trimethyl-1,3-dioxa-spiro[4.5]dec-8-ene-2,7-dione
    —— 4-acetoxy-6,6-dimethylcyclohex-2-enone ethylene acetal 72008-65-2 C12H18O4
    4-acetoxy-6,6-dimethylcyclohex-2-enone ethylene acetal
    —— [4-[3-(1H-benzimidazol-2-yl)-4-chlorophenyl]-1,4-diazepan-1-yl]-[(2R)-piperidin-2-yl]methanone;hydrochloride 1160832-38-1 C24H28ClN5O*ClH
    [4-[3-(1H-benzimidazol-2-yl)-4-chlorophenyl]-1,4-diazepan-1-yl]-[(2R)-piperidin-2-yl]methanone;hydrochloride
    —— 4-methyl-2-(3-methyl-ureido)-thiazole-5-carboxylic acid ethyl ester 14954-38-2 C9H13N3O3S
    4-methyl-2-(3-methyl-ureido)-thiazole-5-carboxylic acid ethyl ester
    —— 4-{2-[5-(cyclohexyl-ethoxy-methyl)-2-(2,6-diethyl-phenyl)-pyridin-4-yloxy]-ethyl}-morpholine 693275-39-7 C30H44N2O3
    4-{2-[5-(cyclohexyl-ethoxy-methyl)-2-(2,6-diethyl-phenyl)-pyridin-4-yloxy]-ethyl}-morpholine
    —— 4,6-diiodo-2,3-dimethoxy-5-methylphenyl 6-deoxy-2,4-O,O-bis<(1,1-dimethylethyl)dimethylsilyl>-3-O-methyl-α-L-mannopyranoside 138785-36-1 C28H50I2O7Si2
    4,6-diiodo-2,3-dimethoxy-5-methylphenyl 6-deoxy-2,4-O,O-bis<(1,1-dimethylethyl)dimethylsilyl>-3-O-methyl-α-L-mannopyranoside
    —— 4-(4-Methylphenyl)-2-sulfanylidene-1,5-dihydroindeno[1,2-b]pyridine-3-carbonitrile 221081-63-6 C20H14N2S
    4-(4-Methylphenyl)-2-sulfanylidene-1,5-dihydroindeno[1,2-b]pyridine-3-carbonitrile
    —— 4-Amino-1-methyl-3-methoxycarbonyl-1H-pyrazole-5-carboxamide 265663-74-9 C7H10N4O3
    4-Amino-1-methyl-3-methoxycarbonyl-1H-pyrazole-5-carboxamide
    —— 4-((1R,3S,4S)-2-azabicyclo[2.2.1]heptan-3-ylmethoxy)-9H-dipyrido[2,3-b;4',3'-d]pyrrole-6-carbonitrile 1312753-80-2 C18H17N5O
    4-((1R,3S,4S)-2-azabicyclo[2.2.1]heptan-3-ylmethoxy)-9H-dipyrido[2,3-b;4',3'-d]pyrrole-6-carbonitrile
    —— 4,4,7,7-Tetramethyl-2-(2,2,5,5-tetramethyl-cyclopentylidene)-spiro[2.4]heptan-1-one 108263-89-4 C20H32O
    4,4,7,7-Tetramethyl-2-(2,2,5,5-tetramethyl-cyclopentylidene)-spiro[2.4]heptan-1-one
    —— 4-(3-bromophenylsulphanyl)-N-[4,5-dimethoxy-3-(2-(p-toluenesulphonyloxy)ethoxy)phenyl]-2-pyrimidineamine 213747-75-2 C27H26BrN3O6S2
    4-(3-bromophenylsulphanyl)-N-[4,5-dimethoxy-3-(2-(p-toluenesulphonyloxy)ethoxy)phenyl]-2-pyrimidineamine
    —— 4-Amino-3-dimethylamino-2-thio-uracil 89488-90-4 C6H10N4OS
    4-Amino-3-dimethylamino-2-thio-uracil
    —— 4-chlor-6-methyl-<1,2>dithio<3,4-c>quinolin-1-one 120049-94-7 C11H6ClNOS2
    4-chlor-6-methyl-<1,2>dithio<3,4-c>quinolin-1-one
    —— 4-<2-Piperidino-ethyl>-Δ<sup>4</sup>-thiazolin-2-on 99167-34-7 C10H16N2OS
    4-<2-Piperidino-ethyl>-Δ<sup>4</sup>-thiazolin-2-on
    —— 4-(6-bromo-pyridin-2-yl)-isoquinoline 1147447-11-7 C14H9BrN2
    4-(6-bromo-pyridin-2-yl)-isoquinoline
    —— 4-(imidazo[1,2-a]pyridin-6-ylmethoxy)-1-(9-methyl-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indol-7-yl)pyridin-2(1H)-one 1173155-22-0 C25H23N5O2
    4-(imidazo[1,2-a]pyridin-6-ylmethoxy)-1-(9-methyl-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indol-7-yl)pyridin-2(1H)-one
    —— 4-[(2-ethoxyphenyl)hydrazinylidene]-5-methyl-2-(5-methyl-4-thiophen-2-yl-1,3-thiazol-2-yl)pyrazol-3-one 1430402-58-6 C20H19N5O2S2
    4-[(2-ethoxyphenyl)hydrazinylidene]-5-methyl-2-(5-methyl-4-thiophen-2-yl-1,3-thiazol-2-yl)pyrazol-3-one
    —— 4-chloro-6-(dimethylsulfamoyl)quinoline-3-carboxamide 849591-96-4 C12H12ClN3O3S
    4-chloro-6-(dimethylsulfamoyl)quinoline-3-carboxamide
    —— 4-azidomethyl-3-methyl-1-phenyl-1H-pyrazole 875657-51-5 C11H11N5
    4-azidomethyl-3-methyl-1-phenyl-1H-pyrazole
    —— 4-[[hydroxy(methyl)amino]diazenyl]-N-propan-2-ylbenzamide 41596-24-1 C11H16N4O2
    4-[[hydroxy(methyl)amino]diazenyl]-N-propan-2-ylbenzamide
    —— 4-Thiazolemethanamine, 2,5-dibromo- 1379311-11-1 C4H4Br2N2S
    4-Thiazolemethanamine, 2,5-dibromo-
    —— 4-Methyl-2-phenylamino-6-propylamino-nicotinonitrile 51561-80-9 C16H18N4
    4-Methyl-2-phenylamino-6-propylamino-nicotinonitrile
    —— 4-(4-methylthio-2-pyridyl)-2,4-dioxobutanoic acid ethyl ester 741287-57-0 C12H13NO4S
    4-(4-methylthio-2-pyridyl)-2,4-dioxobutanoic acid ethyl ester
    —— 4-{3-[4-(5-bromo-pyridin-2-yl)-piperazin-1-yl]-1-hydroxy-2,2,4,4-tetramethyl-cyclobutyl}-phenol 53087-90-4 C23H30BrN3O2
    4-{3-[4-(5-bromo-pyridin-2-yl)-piperazin-1-yl]-1-hydroxy-2,2,4,4-tetramethyl-cyclobutyl}-phenol
    —— 4-[1-{[4-(methyloxy)phenyl]methyl}-3-(4-nitrophenyl)-1H-pyrazol-4-yl]-1H-pyrrolo[2,3-b]pyridine 942920-26-5 C24H19N5O3
    4-[1-{[4-(methyloxy)phenyl]methyl}-3-(4-nitrophenyl)-1H-pyrazol-4-yl]-1H-pyrrolo[2,3-b]pyridine
    —— 4-(2,6-dimethylmorpholinosulfonyl)-7-(4-ethylphenylthio)benzo[c][1,2,5]oxadiazole 1062658-63-2 C20H23N3O4S2
    4-(2,6-dimethylmorpholinosulfonyl)-7-(4-ethylphenylthio)benzo[c][1,2,5]oxadiazole
    —— 4-[(5-cyclopentyl-4-ethyl-2-methyI-3-oxo-2,4,5,7,9-pentazabicyclo[4.4.0]deca-6,8,10-trien-8-yl)amino]-3-methoxy-N-(2-pyrrolidin-1-ylethyl)benzamide 1018317-73-1 C27H38N8O3
    4-[(5-cyclopentyl-4-ethyl-2-methyI-3-oxo-2,4,5,7,9-pentazabicyclo[4.4.0]deca-6,8,10-trien-8-yl)amino]-3-methoxy-N-(2-pyrrolidin-1-ylethyl)benzamide
    —— 4-(3-cyanophenylamino)-6-(2-morpholinoethylamino)-1,7-naphthyridine-3-carbonitrile 915009-53-9 C22H21N7O
    4-(3-cyanophenylamino)-6-(2-morpholinoethylamino)-1,7-naphthyridine-3-carbonitrile