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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-oxo-2-(3-pyridylmethyl)-3,4-dihydroquinazoline-7-carboxylic acid 1006901-11-6 C15H11N3O3
    4-oxo-2-(3-pyridylmethyl)-3,4-dihydroquinazoline-7-carboxylic acid
    —— 4-oxo-2-pentadecyl-1,3,5-triphenyl-3,4-dihydropyrimidin-1-ium-6-olate 1309477-21-1 C37H46N2O2
    4-oxo-2-pentadecyl-1,3,5-triphenyl-3,4-dihydropyrimidin-1-ium-6-olate
    —— 4-Methoxy-benzoic acid 2-methoxycarbonyl-cyclohex-1-enyl ester 142920-72-7 C16H18O5
    4-Methoxy-benzoic acid 2-methoxycarbonyl-cyclohex-1-enyl ester
    —— 4-p-Chlorbenzyl-5-p-chlorbenzoyl-1,2-dimethoxybenzol 56182-58-2 C22H18Cl2O3
    4-p-Chlorbenzyl-5-p-chlorbenzoyl-1,2-dimethoxybenzol
    —— 4-azepan-1-ylmethyl-1(3)<i>H</i>-benzoimidazol-5-ol 57050-71-2 C14H19N3O
    4-azepan-1-ylmethyl-1(3)<i>H</i>-benzoimidazol-5-ol
    —— 4-(2-Oxo-ethyl)-3,4-dihydro-1H-naphthalene-2,2-dicarboxylic acid dimethyl ester 138036-79-0 C16H18O5
    4-(2-Oxo-ethyl)-3,4-dihydro-1H-naphthalene-2,2-dicarboxylic acid dimethyl ester
    —— (4-chloro-3-phenoxy-phenyl)-(3-ethyl-pyrrolidin-3-yl)-methanone 1202180-42-4 C19H20ClNO2
    (4-chloro-3-phenoxy-phenyl)-(3-ethyl-pyrrolidin-3-yl)-methanone
    —— 4-[6-chloro-7-methoxy-1H-benz[g]indazol-1-yl]benzenesulfonamide 178973-48-3 C18H14ClN3O3S
    4-[6-chloro-7-methoxy-1H-benz[g]indazol-1-yl]benzenesulfonamide
    —— 4-bromo-3-(2,3,5,6-tetrahydro-imidazo[2,1-<i>b</i>]thiazol-6-yl)-aniline 39842-39-2 C11H12BrN3S
    4-bromo-3-(2,3,5,6-tetrahydro-imidazo[2,1-<i>b</i>]thiazol-6-yl)-aniline
    —— 4-(6-Ethyl-4-methoxymethyl-5-methyl-cyclohex-1-enyl)-phenol 33314-23-7 C17H24O2
    4-(6-Ethyl-4-methoxymethyl-5-methyl-cyclohex-1-enyl)-phenol
    —— 4'-{[4-(2,2-dimethyl-1,4-dioxaspiro[4.5]dec-8-yl)-5-oxo-7-propyl-4,5-dihydro[1,2,4]triazolo[1,5-a]pyrimidin-6-yl]methyl}biphenyl-2-carbonitrile 1239270-78-0 C32H35N5O3
    4'-{[4-(2,2-dimethyl-1,4-dioxaspiro[4.5]dec-8-yl)-5-oxo-7-propyl-4,5-dihydro[1,2,4]triazolo[1,5-a]pyrimidin-6-yl]methyl}biphenyl-2-carbonitrile
    —— 4-<i>tert</i>-Butyl-2-heptyl-cyclohexanon 3313-61-9 C17H32O
    4-<i>tert</i>-Butyl-2-heptyl-cyclohexanon
    —— 4,6-bis{2-[(3-allyloxyphenylimino)methyl]-4,6-(2-phenylpropan-2-yl)phenoxy}titanium(IV) dichloride 1400812-33-0 C68H68Cl2N2O4Ti
    4,6-bis{2-[(3-allyloxyphenylimino)methyl]-4,6-(2-phenylpropan-2-yl)phenoxy}titanium(IV) dichloride
    —— 4-(3-Morpholin-4-yl-3-oxo-2-{[(S)-1-(toluene-4-sulfonyl)-pyrrolidine-2-carbonyl]-amino}-propyl)-thiobenzimidic acid methyl ester; hydriodide 107994-26-3 C27H34N4O5S2*HI
    4-(3-Morpholin-4-yl-3-oxo-2-{[(S)-1-(toluene-4-sulfonyl)-pyrrolidine-2-carbonyl]-amino}-propyl)-thiobenzimidic acid methyl ester; hydriodide
    —— 4-(1-methyl-7-chloroindol-3-yl)-4-oxo-(2E)-butenoic acid methyl ester 1428884-22-3 C14H12ClNO3
    4-(1-methyl-7-chloroindol-3-yl)-4-oxo-(2E)-butenoic acid methyl ester
    —— 4-iodo-3-(1H-naphtho[1,8-de][1,3,2]diazaborinin-2(3H)-yl)phenol 1447963-01-0 C16H12BIN2O
    4-iodo-3-(1H-naphtho[1,8-de][1,3,2]diazaborinin-2(3H)-yl)phenol
    —— 4-cinnolin-4-yl-phenol 108949-95-7 C14H10N2O
    4-cinnolin-4-yl-phenol
    —— (4-Chloro-8-heptan-2-yloxy-5-oxochromeno[4,3-b]pyridin-10-yl) acetate 162888-92-8 C21H22ClNO5
    (4-Chloro-8-heptan-2-yloxy-5-oxochromeno[4,3-b]pyridin-10-yl) acetate
    —— 4-(p-methylbenzyl)-4-carbomethoxy-1-cyclohexanone ethylene ketal 60694-02-2 C18H24O4
    4-(p-methylbenzyl)-4-carbomethoxy-1-cyclohexanone ethylene ketal
    —— 4-Amino-6-cyclohexylamino-2-fluordichlormethyl-1.3.5-triazin 1650-08-4 C10H14Cl2FN5
    4-Amino-6-cyclohexylamino-2-fluordichlormethyl-1.3.5-triazin
    —— 4-[4-(2-fluorophenyl)phenyl]-4-oxo-N-propan-2-ylbutanamide 40884-97-7 C19H20FNO2
    4-[4-(2-fluorophenyl)phenyl]-4-oxo-N-propan-2-ylbutanamide
    —— 4-thioxo-2-undecyl-3,4-dihydropyrazolo[1,5-a][1,3,5]triazin-7(6H)-one 1584679-83-3 C16H26N4OS
    4-thioxo-2-undecyl-3,4-dihydropyrazolo[1,5-a][1,3,5]triazin-7(6H)-one
    —— 4-(4-Nitro-phenyl)-3,3,7,9-tetraphenyl-1,2,6,8,9-pentaaza-spiro[4.5]deca-1,7-dien-10-one 82060-09-1 C35H26N6O3
    4-(4-Nitro-phenyl)-3,3,7,9-tetraphenyl-1,2,6,8,9-pentaaza-spiro[4.5]deca-1,7-dien-10-one
    —— 4R-4-(2-methoxy-4-methylphenyl)pentanoic acid 79399-49-8 C13H18O3
    4R-4-(2-methoxy-4-methylphenyl)pentanoic acid
    —— 4-<O-(1-naphthylsulfonyl)>-5,8-dimethoxyquinoline 126556-55-6 C21H17NO5S
    4-<O-(1-naphthylsulfonyl)>-5,8-dimethoxyquinoline
    —— 4-chloro-N-{2-[4-(3,4-dichloro-benzyl)-piperazin-1-yl]-phenyl}-benzamide 538342-70-0 C24H22Cl3N3O
    4-chloro-N-{2-[4-(3,4-dichloro-benzyl)-piperazin-1-yl]-phenyl}-benzamide
    —— 4-(3-cyano-4-(2,4-dichlorophenyl)-2-(4-methylbenzylideneamino)-5-oxo-5,6,7,8-tetrahydroquinolin-1(4H)-yl)benzenesulfonamide 1313009-01-6 C30H24Cl2N4O3S
    4-(3-cyano-4-(2,4-dichlorophenyl)-2-(4-methylbenzylideneamino)-5-oxo-5,6,7,8-tetrahydroquinolin-1(4H)-yl)benzenesulfonamide
    —— 4-chloro-(RS)-phenylalaninamide hydrochloride 1428149-31-8 C9H11ClN2O*ClH
    4-chloro-(RS)-phenylalaninamide hydrochloride
    —— 4-benzylidene-2-(α-methoxyimino-phenethyl)-4H-oxazol-5-one 101869-30-1 C19H16N2O3
    4-benzylidene-2-(α-methoxyimino-phenethyl)-4H-oxazol-5-one
    —— 4-Acetylamino-2-butoxy-benzoic acid butyl ester 93992-43-9 C17H25NO4
    4-Acetylamino-2-butoxy-benzoic acid butyl ester
    —— 4,5-Dichloro-1-(2-methylprop-2-enyl)-6-oxo-3-trimethylsilyloxycyclohexa-2,4-diene-1,2-dicarbonitrile 1449251-47-1 C15H16Cl2N2O2Si
    4,5-Dichloro-1-(2-methylprop-2-enyl)-6-oxo-3-trimethylsilyloxycyclohexa-2,4-diene-1,2-dicarbonitrile
    —— 4-({[4-(4-azetidin-1-yl-6-morpholin-4-yl-1,3,5-triazin-2-yl)phenyl]carbamoyl}amino)-N-[2-(dimethylamino)ethyl]-N-methylbenzamide 1197162-40-5 C29H37N9O3
    4-({[4-(4-azetidin-1-yl-6-morpholin-4-yl-1,3,5-triazin-2-yl)phenyl]carbamoyl}amino)-N-[2-(dimethylamino)ethyl]-N-methylbenzamide
    —— 4-cyano-2-[(4,4-difluoro-3-butenyl)thio]-pyrimidine 155957-32-7 C9H7F2N3S
    4-cyano-2-[(4,4-difluoro-3-butenyl)thio]-pyrimidine
    —— 4-[6-chloro-7-methyl-3-(trifluoromethyl)-1H-benz[g]indazol-1-yl]benzenesulfonamide 178974-11-3 C19H13ClF3N3O2S
    4-[6-chloro-7-methyl-3-(trifluoromethyl)-1H-benz[g]indazol-1-yl]benzenesulfonamide
    —— 4-{5-[3-(3-phenyl-prop-1-ynyl)-phenyl]-tetrazol-2-ylmethyl}-benzylamine 660859-45-0 C24H21N5
    4-{5-[3-(3-phenyl-prop-1-ynyl)-phenyl]-tetrazol-2-ylmethyl}-benzylamine
    —— 4-[2-phenyl-4-(pyridin-4-yl)-1-{[2-(trimethylsilyl)ethoxy]methyl}-1H-imidazol-5-yl]aniline 1283092-19-2 C26H30N4OSi
    4-[2-phenyl-4-(pyridin-4-yl)-1-{[2-(trimethylsilyl)ethoxy]methyl}-1H-imidazol-5-yl]aniline
    —— 4-(6-fluoro-imidazo[1,2-a]pyridine-3-carbonyl)-N-(4-methoxy-phenyl)-N-methyl-benzamide 1235992-17-2 C23H18FN3O3
    4-(6-fluoro-imidazo[1,2-a]pyridine-3-carbonyl)-N-(4-methoxy-phenyl)-N-methyl-benzamide
    —— 4-[4-[10-(4-Naphthalen-2-ylphenyl)anthracen-9-yl]phenyl]dibenzofuran 1084334-37-1 C48H30O
    4-[4-[10-(4-Naphthalen-2-ylphenyl)anthracen-9-yl]phenyl]dibenzofuran
    —— 4-(tert-butyldimethylsilanyloxymethyl)-2,3-dihydropyrrole-1,2-dicarboxylic acid 1-tert-butyl ester 915779-86-1 C17H31NO5Si
    4-(tert-butyldimethylsilanyloxymethyl)-2,3-dihydropyrrole-1,2-dicarboxylic acid 1-tert-butyl ester
    —— 4-butyl-5-(4-isopentyloxyphenyl)-2H-1,2,4-triazole-3(4H)-one 1630013-11-4 C17H25N3O2
    4-butyl-5-(4-isopentyloxyphenyl)-2H-1,2,4-triazole-3(4H)-one
    —— 4-[[4-[(2,2-dimethyl-3-oxo-1-benzofuran-4-yl)oxy]-5-(trifluoromethyl)pyrimidin-2-yl]amino]-3-methoxy-N-(1-methylpiperidin-4-yl)benzamide 1227948-54-0 C29H30F3N5O5
    4-[[4-[(2,2-dimethyl-3-oxo-1-benzofuran-4-yl)oxy]-5-(trifluoromethyl)pyrimidin-2-yl]amino]-3-methoxy-N-(1-methylpiperidin-4-yl)benzamide
    —— 4-Benzyl-5,5-dimethyl-2-oxo-3-imidazolin-3-oxid 77745-79-0 C12H14N2O2
    4-Benzyl-5,5-dimethyl-2-oxo-3-imidazolin-3-oxid
    —— 4-Iodo-1-isopropyl-2-nitrobenzene 1219097-26-3 C9H10INO2
    4-Iodo-1-isopropyl-2-nitrobenzene
    —— 4-chloro-N-(5,5-dimethylhexahydropyrimidin-2-ylidene)-5-methyl-2-(2-[(6-chloropyridazin-3-yl)hydrazono]-2-phenylethylsulfanyl)benzenesulfonamide 1180533-04-3 C25H27Cl2N7O2S2
    4-chloro-N-(5,5-dimethylhexahydropyrimidin-2-ylidene)-5-methyl-2-(2-[(6-chloropyridazin-3-yl)hydrazono]-2-phenylethylsulfanyl)benzenesulfonamide
    —— 4-(5-chloro-2-hydroxybenzylidene)-1-(4-(4-chlorophenyl)thiazol-2-yl)-3-methyl-1H-pyrazol-5(4H)-one 1287795-54-3 C20H13Cl2N3O2S
    4-(5-chloro-2-hydroxybenzylidene)-1-(4-(4-chlorophenyl)thiazol-2-yl)-3-methyl-1H-pyrazol-5(4H)-one
    —— 4-methoxy-benzenediazonium; benzenethiosulfonate 20513-56-8 C6H5O2S2*C7H7N2O
    4-methoxy-benzenediazonium; benzenethiosulfonate
    —— 4-methyl-N-(3-phenyl-1-morpholinoprop-2-ynylidene)benzenesulfonamide 34500-56-6 C20H20N2O3S
    4-methyl-N-(3-phenyl-1-morpholinoprop-2-ynylidene)benzenesulfonamide
    —— 4-methoxy-3-(3R)-tetrahydrofuranyloxy-N-(3-carboxyphenyl)-N-(4-pyridylmethyl)aniline 651023-00-6 C24H24N2O5
    4-methoxy-3-(3R)-tetrahydrofuranyloxy-N-(3-carboxyphenyl)-N-(4-pyridylmethyl)aniline
    —— 4-(6-Methoxy-3-oxo-isochroman-4-yl)-butyraldehyde 193215-49-5 C14H16O4
    4-(6-Methoxy-3-oxo-isochroman-4-yl)-butyraldehyde
    —— 4-((E)-3-Hydroxy-3-methyl-hept-1-enyl)-2-methoxy-phenol 127757-21-5 C15H22O3
    4-((E)-3-Hydroxy-3-methyl-hept-1-enyl)-2-methoxy-phenol