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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4a-Methyl-2-phenyl-1,3-dioxolo<4,5-f>perhydroisobenzofuran-5-on 124804-10-0 C16H18O4
    4a-Methyl-2-phenyl-1,3-dioxolo<4,5-f>perhydroisobenzofuran-5-on
    —— 4-methoxyphenyl 2-deoxy-2-trichloroacetamido-β-D-glucopyranoside 273400-79-6 C15H18Cl3NO7
    4-methoxyphenyl 2-deoxy-2-trichloroacetamido-β-D-glucopyranoside
    —— [4-(4-methoxy-phenoxy)-2-phenylethynyl-pyrimidin-5-yl]-pyrrolidin-2-(S)-ylmethyl-amine hydrochloride 1297929-77-1 C24H24N4O2*ClH
    [4-(4-methoxy-phenoxy)-2-phenylethynyl-pyrimidin-5-yl]-pyrrolidin-2-(S)-ylmethyl-amine hydrochloride
    —— 4,5-diphenyl-1,3-diphosphaferrocene 126134-68-7 C20H16FeP2
    4,5-diphenyl-1,3-diphosphaferrocene
    —— 4-bromo-2-(1,4-dimethyl-1,4,7-triazacyclononane-7-ylmethyl)-6-{[N-(2-pyridyl)methyl-N-2-(2-pyridylethyl)amine]-methyl}phenol 1242440-92-1 C29H39BrN6O
    4-bromo-2-(1,4-dimethyl-1,4,7-triazacyclononane-7-ylmethyl)-6-{[N-(2-pyridyl)methyl-N-2-(2-pyridylethyl)amine]-methyl}phenol
    —— 4,4-Dichloro-3-methylbutan-2-one--lambda~2~-stannane (1/1) 53363-33-0 C5H10Cl2OSn
    4,4-Dichloro-3-methylbutan-2-one--lambda~2~-stannane (1/1)
    —— 4,6-di-O-acetyl-3-S-n-hexyl-3-thio-D-glucal 74597-62-9 C16H26O5S
    4,6-di-O-acetyl-3-S-n-hexyl-3-thio-D-glucal
    —— 4-Methyl-N-{3-[1-phenyl-eth-(Z)-ylidene]-3H-indol-2-yl}-benzenesulfonamide 60220-33-9 C23H20N2O2S
    4-Methyl-N-{3-[1-phenyl-eth-(Z)-ylidene]-3H-indol-2-yl}-benzenesulfonamide
    —— 4,5,6,7-Tetrachloro-2,2-diisopropoxy-2-methyl-1,3-dioxa-2λ<sup>5</sup>-stiba-indan 58348-82-6 C13H17Cl4O4Sb
    4,5,6,7-Tetrachloro-2,2-diisopropoxy-2-methyl-1,3-dioxa-2λ<sup>5</sup>-stiba-indan
    —— (4-(5-amino-6-(5-phenyl-1,3,4-oxadiazol-2-yl)pyrazin-2-yl)piperazin-1-yl)(morpholino)methanone 1225061-15-3 C21H24N8O3
    (4-(5-amino-6-(5-phenyl-1,3,4-oxadiazol-2-yl)pyrazin-2-yl)piperazin-1-yl)(morpholino)methanone
    —— 4-(Difluoro-methoxycarbonyl-methoxy)-2,2,3,3,4,4-hexafluoro-butyric acid methyl ester 55678-23-4 C8H6F8O5
    4-(Difluoro-methoxycarbonyl-methoxy)-2,2,3,3,4,4-hexafluoro-butyric acid methyl ester
    —— 4-bromo-3-oxo-butyric acid (1S,2R)-1-diisopropylcarbamoyl-7,7-dimethyl-bicyclo[2.2.1]hept-2-yl ester 1193319-99-1 C20H32BrNO4
    4-bromo-3-oxo-butyric acid (1S,2R)-1-diisopropylcarbamoyl-7,7-dimethyl-bicyclo[2.2.1]hept-2-yl ester
    —— 4-[5-(4-Fluoro-phenyl)-3-(2-methoxy-ethyl)-2-methylsulfanyl-3H-imidazol-4-yl]-2-(1-phenyl-ethoxy)-pyridine 1009308-22-8 C26H26FN3O2S
    4-[5-(4-Fluoro-phenyl)-3-(2-methoxy-ethyl)-2-methylsulfanyl-3H-imidazol-4-yl]-2-(1-phenyl-ethoxy)-pyridine
    —— 4-bromo-1-(2,2-dimethylpropoxy)-2-nitrobenzene 1365938-79-9 C11H14BrNO3
    4-bromo-1-(2,2-dimethylpropoxy)-2-nitrobenzene
    —— 4-((2-((6'-(2-formylphenoxy)-4'l5,6l5,6'l5-dispiro[dibenzo[d,f][1,3,2]dioxaphosphepine-6,2'-[1,3,5,2,4,6]triazatriphosphinine-4',6''-dibenzo[d,f][1,3,2]dioxaphosphepin]-6'-yl)oxy)benzylidene)amino)benzonitrile 1383611-18-4 C45H30N5O7P3
    4-((2-((6'-(2-formylphenoxy)-4'l5,6l5,6'l5-dispiro[dibenzo[d,f][1,3,2]dioxaphosphepine-6,2'-[1,3,5,2,4,6]triazatriphosphinine-4',6''-dibenzo[d,f][1,3,2]dioxaphosphepin]-6'-yl)oxy)benzylidene)amino)benzonitrile
    —— (4-Methoxycarbonyloxy-phenyl)-acetic acid nonyl ester 134447-12-4 C19H28O5
    (4-Methoxycarbonyloxy-phenyl)-acetic acid nonyl ester
    —— 4,5-di-tert-butyl-1-propyl-1,2,3-triaza-4-azonia-5-borata-2,4-cyclopentadiene 875585-70-9 C11H25BN4
    4,5-di-tert-butyl-1-propyl-1,2,3-triaza-4-azonia-5-borata-2,4-cyclopentadiene
    —— 4,7-dicyano-5,6-dimethyl-4-(2-thienyl)-4,5,6,7-tetrahydrobenzo<b>thiophen 112010-76-1 C16H14N2S2
    4,7-dicyano-5,6-dimethyl-4-(2-thienyl)-4,5,6,7-tetrahydrobenzo<b>thiophen
    —— 4-(3,4-dimethoxyphenacyl)-2,4-dimethylhomophthalimide 75837-18-2 C21H21NO5
    4-(3,4-dimethoxyphenacyl)-2,4-dimethylhomophthalimide
    —— 4-Chloro-1,3,5-trimethyl-4-nitrocyclohexa-2,5-dienylacetat 67396-78-5 C11H14ClNO4
    4-Chloro-1,3,5-trimethyl-4-nitrocyclohexa-2,5-dienylacetat
    —— 4-diphenylhydroxymethyl-1-methoxymethyl-imidazole 132287-57-1 C18H18N2O2
    4-diphenylhydroxymethyl-1-methoxymethyl-imidazole
    —— 4-(3-quinoxalin-2-yl-acryloyl)-benzoic acid 867167-21-3 C18H12N2O3
    4-(3-quinoxalin-2-yl-acryloyl)-benzoic acid
    —— [4-[bis(2-hydroxyethyl)amino]phenyl] hexanoate 83626-85-1 C16H25NO4
    [4-[bis(2-hydroxyethyl)amino]phenyl] hexanoate
    —— 4-Amino-2-methylthio-5-(5-nitro-2-furyl)thiazole 95450-41-2 C8H7N3O3S2
    4-Amino-2-methylthio-5-(5-nitro-2-furyl)thiazole
    —— 4-(2-(2-methylbenzylidene)hydrazinyl)-1-(3-phenylpropyl)pyridinium bromide 1215760-40-9 Br*C22H24N3
    4-(2-(2-methylbenzylidene)hydrazinyl)-1-(3-phenylpropyl)pyridinium bromide
    —— 4-phenyl-3,4-dihydro-2H-benzo[b][1,4]thiazine 1443380-46-8 C14H13NS
    4-phenyl-3,4-dihydro-2H-benzo[b][1,4]thiazine
    —— (4S,5R)-5-Chloromethyl-4-isobutyl-oxazolidin-2-one 108860-21-5 C8H14ClNO2
    (4S,5R)-5-Chloromethyl-4-isobutyl-oxazolidin-2-one
    —— (4R,6S,8R)-8-methoxy-10-(4-methoxybenzyloxy)-5,5-dimethyldec-1-ene-4,6-diol 1466415-02-0 C21H34O5
    (4R,6S,8R)-8-methoxy-10-(4-methoxybenzyloxy)-5,5-dimethyldec-1-ene-4,6-diol
    —— (4-methoxyphenyl)methyl N-[5-(4-fluoro-2-methoxyphenyl)-2-methylpyrazol-3-yl]carbamate 1354399-17-9 C20H20FN3O4
    (4-methoxyphenyl)methyl N-[5-(4-fluoro-2-methoxyphenyl)-2-methylpyrazol-3-yl]carbamate
    —— 4-amino-1-(6-amino-5-cyanopyrimidin-4-yl)piperidine-4-carboxylic acid ((S)-3-hydroxy-1-p-tolylpropyl)amide 1427596-65-3 C21H27N7O2
    4-amino-1-(6-amino-5-cyanopyrimidin-4-yl)piperidine-4-carboxylic acid ((S)-3-hydroxy-1-p-tolylpropyl)amide
    —— 4-[[4-[Bis(4-fluorophenyl)methyl]piperazin-1-yl]methyl]pyridine-2-carboxylic acid 1351372-66-1 C24H23F2N3O2
    4-[[4-[Bis(4-fluorophenyl)methyl]piperazin-1-yl]methyl]pyridine-2-carboxylic acid
    —— 4-[(3S)-1-azabicyclo[2.2.2]oct-3-ylamino]-3-(1H-benzimidazol-2-yl)-7-[(3S)-3-(dimethylamino)pyrrolidin-1-yl]-6-fluoroquinolin-2(1H)-one 668425-88-5 C29H34FN7O
    4-[(3S)-1-azabicyclo[2.2.2]oct-3-ylamino]-3-(1H-benzimidazol-2-yl)-7-[(3S)-3-(dimethylamino)pyrrolidin-1-yl]-6-fluoroquinolin-2(1H)-one
    —— 4-hydroxy-N-(3-methylphenyl)-N-(2-methylpropyl)benzenesulfonamide 1429346-34-8 C17H21NO3S
    4-hydroxy-N-(3-methylphenyl)-N-(2-methylpropyl)benzenesulfonamide
    —— 4-methoxy-3-(methoxycarbonyl)-2-(trimethylsiloxy)-1,3-pentadiene 69964-36-9 C11H20O4Si
    4-methoxy-3-(methoxycarbonyl)-2-(trimethylsiloxy)-1,3-pentadiene
    —— (4R,αS)-4-(α-hydroxybenzyl)-2-(3,4-methylenedioxyphenyl)-3-phenylsulphonyl-4,5-dihydrofuran 131575-78-5 C24H20O6S
    (4R,αS)-4-(α-hydroxybenzyl)-2-(3,4-methylenedioxyphenyl)-3-phenylsulphonyl-4,5-dihydrofuran
    —— 4-bromo-5-methyl-1-(2-oxa-tricyclo[3.3.1.1<sup>3,7</sup>]dec-1-ylmethyl)-1H-pyrrole-2-carbonitrile 1430847-13-4 C16H19BrN2O
    4-bromo-5-methyl-1-(2-oxa-tricyclo[3.3.1.1<sup>3,7</sup>]dec-1-ylmethyl)-1H-pyrrole-2-carbonitrile
    —— 4-hydroxy-1-methyl-5-oxo-N-(3-(2-(trifluoromethyl)phenoxy)propyl)-2,5-dihydro-1H-pyrrole-3-carboxamide 1429315-74-1 C16H17F3N2O4
    4-hydroxy-1-methyl-5-oxo-N-(3-(2-(trifluoromethyl)phenoxy)propyl)-2,5-dihydro-1H-pyrrole-3-carboxamide
    —— 4-(4-(2-methylbenzyloxy)-3-chlorophenylamino)-6-amino-7-(tetrahydrofuran-3-yl-oxy)quinoline-3-carbonitrile 1351943-61-7 C28H25ClN4O3
    4-(4-(2-methylbenzyloxy)-3-chlorophenylamino)-6-amino-7-(tetrahydrofuran-3-yl-oxy)quinoline-3-carbonitrile
    —— 4-fluoro-3-{6-[6-(4-fluorophenyl)-imidazo[2,1-b]oxazol-5-yl]-[1,2,4]triazolo[4,3-a]pyridin-3-yl}-benzonitrile 1029526-12-2 C24H12F2N6O
    4-fluoro-3-{6-[6-(4-fluorophenyl)-imidazo[2,1-b]oxazol-5-yl]-[1,2,4]triazolo[4,3-a]pyridin-3-yl}-benzonitrile
    —— 4-amino-3-chloro-6-(4-chloro-2-fluoro-3-methoxyphenyl)-N-(cyclohex-2-enyloxy)picolinamide 1242164-44-8 C19H18Cl2FN3O3
    4-amino-3-chloro-6-(4-chloro-2-fluoro-3-methoxyphenyl)-N-(cyclohex-2-enyloxy)picolinamide
    —— {4-(S)-[2-(phenylethanesulfonylamino)-2-(2-thiophen-2-ylthiazol-4-yl)ethyl]phenyl}sulfamic acid 1000394-95-5 C23H23N3O5S4
    {4-(S)-[2-(phenylethanesulfonylamino)-2-(2-thiophen-2-ylthiazol-4-yl)ethyl]phenyl}sulfamic acid
    —— [4-methyl-3-(3-nitro-phenyl)-3<i>H</i>-thiazol-2-ylidene]-(3-nitro-phenyl)-amine 42748-47-0 C16H12N4O4S
    [4-methyl-3-(3-nitro-phenyl)-3<i>H</i>-thiazol-2-ylidene]-(3-nitro-phenyl)-amine
    —— {4-[Bis-(2-chloro-ethyl)-amino]-cyclohexyl}-acetic acid ethyl ester; hydrochloride 78431-92-2 C14H25Cl2NO2*ClH
    {4-[Bis-(2-chloro-ethyl)-amino]-cyclohexyl}-acetic acid ethyl ester; hydrochloride
    —— (4-sulfamoyl-phenyl)-amidophosphoric acid diphenyl ester 101721-00-0 C18H17N2O5PS
    (4-sulfamoyl-phenyl)-amidophosphoric acid diphenyl ester
    —— 4-(4-chloro-3-cyclopropylmethylsulfonyl-2-methylbenzoyl)-3-cyclopropyl-5-hydroxy-1-methylpyrazole 1088713-11-4 C19H21ClN2O4S
    4-(4-chloro-3-cyclopropylmethylsulfonyl-2-methylbenzoyl)-3-cyclopropyl-5-hydroxy-1-methylpyrazole
    —— 4-[(5R,7S)-7-(4-ethyl-phenyl)-7-hydroxy-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-5-yl]-3-fluoro-benzonitrile 1309475-33-9 C21H18FN3O
    4-[(5R,7S)-7-(4-ethyl-phenyl)-7-hydroxy-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-5-yl]-3-fluoro-benzonitrile
    —— 4-[5-amino-6-(5-benzamido-1,3,4-oxadiazol-2-yl)pyrazin-2-yl]-N,N-dimethyl-benzamide 1232411-75-4 C22H19N7O3
    4-[5-amino-6-(5-benzamido-1,3,4-oxadiazol-2-yl)pyrazin-2-yl]-N,N-dimethyl-benzamide
    —— 4-( p-octylstyryl)phenylacetylene 1206891-62-4 C24H28
    4-( p-octylstyryl)phenylacetylene
    —— 4-(1,1-difluoro-3-iodo-3-(trimethylsilyl)propylsulfonyl)morpholine 1271738-96-5 C10H20F2INO3SSi
    4-(1,1-difluoro-3-iodo-3-(trimethylsilyl)propylsulfonyl)morpholine
    —— 4-azido-3-methyl-2-sulfolene 1425041-51-5 C5H7N3O2S
    4-azido-3-methyl-2-sulfolene