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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-chloro-2-fluorobenzaldehyde (N-methyl)hydrazone 190130-64-4 C8H8ClFN2
    4-chloro-2-fluorobenzaldehyde (N-methyl)hydrazone
    —— 4,2'-dinitro-biphenyl-2,4'-dicarboxylic acid 855254-05-6 C14H8N2O8
    4,2'-dinitro-biphenyl-2,4'-dicarboxylic acid
    —— 4-Chloro-2-[3-(2-fluoro-phenyl)-2-methyl-acryloylamino]-benzoic acid 1141059-45-1 C17H13ClFNO3
    4-Chloro-2-[3-(2-fluoro-phenyl)-2-methyl-acryloylamino]-benzoic acid
    —— 4-Chloro-2-cycloheptyl-5-methoxy-2,3-dihydro-isoindol-1-one 153144-46-8 C16H20ClNO2
    4-Chloro-2-cycloheptyl-5-methoxy-2,3-dihydro-isoindol-1-one
    —— 4-[1-({[(4-ethylphenyl)amino]carbonyl}amino)ethyl]-N-hydroxybenzamide 1332893-10-3 C18H21N3O3
    4-[1-({[(4-ethylphenyl)amino]carbonyl}amino)ethyl]-N-hydroxybenzamide
    —— 4-benzoyloxy-1-(3-methyl-2-buten-1-yloxy)-2,6,6-trimethyl-2-cyclohepten-5-ol 149924-16-3 C22H30O4
    4-benzoyloxy-1-(3-methyl-2-buten-1-yloxy)-2,6,6-trimethyl-2-cyclohepten-5-ol
    —— 4-cyclohexyl-6-(1H-pyrrolo[2,3-b]pyridin-3-yl)pyrimidin-2-ylamine 1203671-31-1 C17H19N5
    4-cyclohexyl-6-(1H-pyrrolo[2,3-b]pyridin-3-yl)pyrimidin-2-ylamine
    —— 4-[1-(3-(cyanomethyl)-1-{1-[5-fluoro-2-(trifluoromethyl)isonicotinoyl]piperidin-4-yl}azetidin-3-yl)-1H-pyrazol-4-yl]-1H-pyrrolo[2,3-b]pyridine-5-carbonitrile 1334302-61-2 C28H23F4N9O
    4-[1-(3-(cyanomethyl)-1-{1-[5-fluoro-2-(trifluoromethyl)isonicotinoyl]piperidin-4-yl}azetidin-3-yl)-1H-pyrazol-4-yl]-1H-pyrrolo[2,3-b]pyridine-5-carbonitrile
    —— 4-bromo-N,N-diethyl-2-methyl-3-phenyl-1,2-oxazolidine-4-sulfonamide 111457-29-5 C14H21BrN2O3S
    4-bromo-N,N-diethyl-2-methyl-3-phenyl-1,2-oxazolidine-4-sulfonamide
    —— (4E)-8-ethoxy-8-oxooct-4-enoic acid 1159991-75-9 C10H16O4
    (4E)-8-ethoxy-8-oxooct-4-enoic acid
    —— 4-Imino-5,5-dimethyl-2-oxo-tetrahydro-furan-3-carboxylic acid ethyl ester 26536-76-5 C9H13NO4
    4-Imino-5,5-dimethyl-2-oxo-tetrahydro-furan-3-carboxylic acid ethyl ester
    —— (4R,12aS)-4-Dimethylamino-3,10,12,12a-tetrahydroxy-7,9-dinitro-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydro-naphthacene-2-carboxylic acid amide 21754-14-3 C21H20N4O11
    (4R,12aS)-4-Dimethylamino-3,10,12,12a-tetrahydroxy-7,9-dinitro-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydro-naphthacene-2-carboxylic acid amide
    —— 4-{[1-(3-Benzoyloxy-5-hydroxymethyl-2-methyl-pyridin-4-yl)-meth-(E)-ylidene]-amino}-benzoic acid ethyl ester 28668-89-5 C24H22N2O5
    4-{[1-(3-Benzoyloxy-5-hydroxymethyl-2-methyl-pyridin-4-yl)-meth-(E)-ylidene]-amino}-benzoic acid ethyl ester
    —— 4-[2-cyano-4-(5-methoxy-6-methyl-benzo[1,2,3]triazol-2-yl)-styryl]-benzoic acid 31773-29-2 C24H18N4O3
    4-[2-cyano-4-(5-methoxy-6-methyl-benzo[1,2,3]triazol-2-yl)-styryl]-benzoic acid
    —— 4-(2-isopropoxyethylamino)-7-methyl-7H-pyrrolo[2,3-d]pyrimidine-5-carboxylic acid 1266344-25-5 C13H18N4O3
    4-(2-isopropoxyethylamino)-7-methyl-7H-pyrrolo[2,3-d]pyrimidine-5-carboxylic acid
    —— 4-(4-Morpholin-4-ylanilino)spiro[1,3,5,11-tetrazatricyclo[7.4.0.02,7]trideca-2,4,6,8-tetraene-13,1'-cyclopentane]-10-one 1374743-07-3 C23H26N6O2
    4-(4-Morpholin-4-ylanilino)spiro[1,3,5,11-tetrazatricyclo[7.4.0.02,7]trideca-2,4,6,8-tetraene-13,1'-cyclopentane]-10-one
    —— [4]cyclo-2,7-pyrenylenylene 1619230-25-9 C64H32
    [4]cyclo-2,7-pyrenylenylene
    —— 4-azidomethyl-2-bromomethyl-2-methyl-[1,3]-dioxolane 1015480-09-7 C6H10BrN3O2
    4-azidomethyl-2-bromomethyl-2-methyl-[1,3]-dioxolane
    —— 4-acetoxy-1-deuterium-2-methyl-12-oxatricyclo[7.2.1.0(5,9)]dodeca-2,4,10-triene 1052623-65-0 C14H16O3
    4-acetoxy-1-deuterium-2-methyl-12-oxatricyclo[7.2.1.0(5,9)]dodeca-2,4,10-triene
    —— 4-(Difluoromethyl)thiophene-3-carboxylic acid 1783508-32-6 C6H4F2O2S
    4-(Difluoromethyl)thiophene-3-carboxylic acid
    —— 4-methoxy-2H-naphtho[2,3-b]pyran-2-one 157865-75-3 C14H10O3
    4-methoxy-2H-naphtho[2,3-b]pyran-2-one
    —— 4-(4-((cyclopropyl)methoxy)phenyl)-4-oxobutyric acid 478162-67-3 C14H16O4
    4-(4-((cyclopropyl)methoxy)phenyl)-4-oxobutyric acid
    —— [4-13C]-(2R,3R,4S,5R)-5-(2-acetamido-6-chloro-9H-purin-9-yl)-2-(acetoxymethyl)-4-hydroxy-4-trideuteromethyltetrahydrofuran-3-yl acetate 1350981-79-1 C17H20ClN5O7
    [4-13C]-(2R,3R,4S,5R)-5-(2-acetamido-6-chloro-9H-purin-9-yl)-2-(acetoxymethyl)-4-hydroxy-4-trideuteromethyltetrahydrofuran-3-yl acetate
    —— {4-[(2-chloro-acetylamino)-methyl]-phenyl}-acetic acid ethyl ester 106214-23-7 C13H16ClNO3
    {4-[(2-chloro-acetylamino)-methyl]-phenyl}-acetic acid ethyl ester
    —— 4-(pyridin-3-yl)-1,3-dioxolan-2-one 41337-65-9 C8H7NO3
    4-(pyridin-3-yl)-1,3-dioxolan-2-one
    —— 4-(o-Ethoxy-phenyl)-3-hydroxy-buttersaeure 6732-27-0 C12H16O4
    4-(o-Ethoxy-phenyl)-3-hydroxy-buttersaeure
    —— 4-[(tert-Butyldiphenylsiloxy)methyl]-2-iodo-5,6-dimethoxy-3-methylphenyl 2,4-di-O-acetyl-6-deoxy-3-O-methyl-α-L-mannopyranoside 220098-51-1 C37H47IO10Si
    4-[(tert-Butyldiphenylsiloxy)methyl]-2-iodo-5,6-dimethoxy-3-methylphenyl 2,4-di-O-acetyl-6-deoxy-3-O-methyl-α-L-mannopyranoside
    —— 4-Benzolsulfonyl-2,6-diamino-pyridin 18960-97-9 C11H11N3O2S
    4-Benzolsulfonyl-2,6-diamino-pyridin
    —— 4-(3-Methylazetidin-3-yl)morpholine dihydrochloride 1152111-52-8 C8H18Cl2N2O
    4-(3-Methylazetidin-3-yl)morpholine dihydrochloride
    —— 4-[(1R)-2-(6-chloro-1,2-dihydro-1'H-spiro[indole-3,4'-piperidin]-1'-yl)-1-hydroxyethyl]-1-[(2E)-3-(3,5-difluorophenyl)-2-propenoyl]-4-piperidinol 1093956-45-6 C28H32ClF2N3O3
    4-[(1R)-2-(6-chloro-1,2-dihydro-1'H-spiro[indole-3,4'-piperidin]-1'-yl)-1-hydroxyethyl]-1-[(2E)-3-(3,5-difluorophenyl)-2-propenoyl]-4-piperidinol
    —— 4-(2-sec-butyl-3-methoxyphenoxy)benzonitrile 935255-03-1 C18H19NO2
    4-(2-sec-butyl-3-methoxyphenoxy)benzonitrile
    —— 4,5‐dimethoxy‐2‐methylbenzenesulfonyl chloride 60987-20-4 C9H11ClO4S
    4,5‐dimethoxy‐2‐methylbenzenesulfonyl chloride
    —— 4-(5'-hexyl-2,2'-bithiophen-5-yl)-2-methylbut-3-yn-2-ol 1449566-95-3 C19H24OS2
    4-(5'-hexyl-2,2'-bithiophen-5-yl)-2-methylbut-3-yn-2-ol
    —— (4-bromo-2-(trifluoromethoxy)phenyl)methanamine hydrochloride 947503-02-8 C8H7BrF3NO*ClH
    (4-bromo-2-(trifluoromethoxy)phenyl)methanamine hydrochloride
    —— 4-(5-acetyl-2-thienyl)-N-[2-[4-(aminomethyl)-1-piperidinyl]-3-fluorophenyl]-1H-imidazole-2-carboxamide 1350916-60-7 C22H24FN5O2S
    4-(5-acetyl-2-thienyl)-N-[2-[4-(aminomethyl)-1-piperidinyl]-3-fluorophenyl]-1H-imidazole-2-carboxamide
    —— 4-Cyan-2-methyltetrahydro-1H-benzo-1,5-diazepin 38291-70-2 C11H13N3
    4-Cyan-2-methyltetrahydro-1H-benzo-1,5-diazepin
    —— (4R,5S)-4-(dimethyl(phenyl)silyl)-5-methyl-1-tosylpyrrolidin-2-one 1514833-80-7 C20H25NO3SSi
    (4R,5S)-4-(dimethyl(phenyl)silyl)-5-methyl-1-tosylpyrrolidin-2-one
    —— 4,4'-(1-(4-fluorophenyl)pyrrolidine-2,5-diyl)dibenzene-1,2-diamine 1258235-04-9 C22H24FN5
    4,4'-(1-(4-fluorophenyl)pyrrolidine-2,5-diyl)dibenzene-1,2-diamine
    —— {4-[3-((R)-1-naphthalen-1-yl-ethylamino)-cycloheptyl]-phenoxy}-acetic acid ethyl ester 1157580-58-9 C29H35NO3
    {4-[3-((R)-1-naphthalen-1-yl-ethylamino)-cycloheptyl]-phenoxy}-acetic acid ethyl ester
    —— (4aR,6R,7R,8R,8aS)-6-((3aR,3bS,7R,7aR,8aR)-2,5-Diphenyl-tetrahydro-[1,3]dioxolo[4,5]furo[3,2-d][1,3]dioxin-7-ylmethoxy)-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxine-7,8-diol 87102-58-7 C33H34O11
    (4aR,6R,7R,8R,8aS)-6-((3aR,3bS,7R,7aR,8aR)-2,5-Diphenyl-tetrahydro-[1,3]dioxolo[4,5]furo[3,2-d][1,3]dioxin-7-ylmethoxy)-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxine-7,8-diol
    —— (4'aR,5'S,7'R,10'S,11'S,12'aR)-decahydro-4'a,13',13'-trimethylspiro<1,3-dithiolane-2,1'(2'H)-<7,10>methanobenzocyclodecene>-5',10',11'(5'H)-triol 5'-acetate 132802-55-2 C22H36O4S2
    (4'aR,5'S,7'R,10'S,11'S,12'aR)-decahydro-4'a,13',13'-trimethylspiro<1,3-dithiolane-2,1'(2'H)-<7,10>methanobenzocyclodecene>-5',10',11'(5'H)-triol 5'-acetate
    —— 4-[[[4-(Dimethylamino)phenyl]methyl]amino]benzeneethanol 13159-96-1 C17H22N2O
    4-[[[4-(Dimethylamino)phenyl]methyl]amino]benzeneethanol
    —— 4-chloro-5,7-difluoro-2-(2-methoxypyridin-4-yl)-3-methylquinoline 1259442-08-4 C16H11ClF2N2O
    4-chloro-5,7-difluoro-2-(2-methoxypyridin-4-yl)-3-methylquinoline
    —— 4-(benzylidenehydrazono)-5,6-diphenylfuro[2,3-d]pyrimidine 1219360-00-5 C25H18N4O
    4-(benzylidenehydrazono)-5,6-diphenylfuro[2,3-d]pyrimidine
    —— 4-(4-propyl-morpholin-2-ylmethoxy)-9H-carbazole 1271213-01-4 C20H24N2O2
    4-(4-propyl-morpholin-2-ylmethoxy)-9H-carbazole
    —— 4-[3,4-dichloro-2-(N-allyl-N-methoxycarbonylamino)benzoyl]-5-cyclopropylisoxazole 170108-30-2 C18H16Cl2N2O4
    4-[3,4-dichloro-2-(N-allyl-N-methoxycarbonylamino)benzoyl]-5-cyclopropylisoxazole
    —— 4-(chloromethyl)-2-(4,5-dibromo-2-methylcyclohexyl)-1,3-dioxolane 97303-74-7 C11H17Br2ClO2
    4-(chloromethyl)-2-(4,5-dibromo-2-methylcyclohexyl)-1,3-dioxolane
    —— 4-(4-benzylpiperazine-1-carbonyl)-2-(3-chloro-benzo[b]thiophene-2-carboxamido)benzoic acid 1374776-76-7 C28H24ClN3O4S
    4-(4-benzylpiperazine-1-carbonyl)-2-(3-chloro-benzo[b]thiophene-2-carboxamido)benzoic acid
    —— 4-chloro-2,8-dimethoxycarbonylquinoline 132664-53-0 C13H10ClNO4
    4-chloro-2,8-dimethoxycarbonylquinoline
    —— 4-(6-aminohexyl)-1,3-bis(2,6-diisopropylphenyl)imidazolium iodide 1338728-98-5 C33H50N3*I
    4-(6-aminohexyl)-1,3-bis(2,6-diisopropylphenyl)imidazolium iodide