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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4,7-Dioxo-4H,7H-1,10,12-trioxa-dibenzo[b,h]fluorene-2,9-dicarboxylic acid 36094-85-6 C20H8O9
    4,7-Dioxo-4H,7H-1,10,12-trioxa-dibenzo[b,h]fluorene-2,9-dicarboxylic acid
    —— 4-<3-(3-Methoxy-phenoxy)-1-pyrrolidinyl>-1-(4-fluor-phenyl)-butanon-(1)-maleat 21492-47-7 C4H4O4*C21H24FNO3
    4-<3-(3-Methoxy-phenoxy)-1-pyrrolidinyl>-1-(4-fluor-phenyl)-butanon-(1)-maleat
    —— 4-methyl-dibenzo[<i>b</i>,<i>h</i>]chromeno[2,3,4-<i>de</i>][1,6]naphthyridine 30413-28-6 C23H14N2O
    4-methyl-dibenzo[<i>b</i>,<i>h</i>]chromeno[2,3,4-<i>de</i>][1,6]naphthyridine
    —— (4-Ethoxy-phenyl)-[(E)-3-(2-nitro-phenyl)-allyl]-amine 52375-81-2 C17H18N2O3
    (4-Ethoxy-phenyl)-[(E)-3-(2-nitro-phenyl)-allyl]-amine
    —— 4-(2-Benzothiazolyl)-4'-dimethylamino-3-azastilben 41716-41-0 C22H19N3S
    4-(2-Benzothiazolyl)-4'-dimethylamino-3-azastilben
    —— 4-(4-fluoro-phenyl)-piperidine-4-carboxylic acid ((S)-1-cyclohexyl-ethyl)-amide trifluoroacetate 1246389-84-3 C2HF3O2*C20H29FN2O
    4-(4-fluoro-phenyl)-piperidine-4-carboxylic acid ((S)-1-cyclohexyl-ethyl)-amide trifluoroacetate
    —— 4-ethoxy-6-(5-fluoro-2-methoxyphenyl)pteridin-2-amine 1003844-30-1 C15H14FN5O2
    4-ethoxy-6-(5-fluoro-2-methoxyphenyl)pteridin-2-amine
    —— 4-ethoxy-6-(1H-indol-5-yl)pteridin-2-amine 1003843-68-2 C16H14N6O
    4-ethoxy-6-(1H-indol-5-yl)pteridin-2-amine
    —— 4,7-dimethyl-1,4,7-thiadiazonane;trichloroiron 188016-43-5 C8H18Cl3FeN2S
    4,7-dimethyl-1,4,7-thiadiazonane;trichloroiron
    —— 4,4'-bis-(1,1,2,2,3,3-hexafluoro-3-iodo-propyl)-6,6'-bis-(1,1,2,2-tetrafluoro-2-trifluoromethoxy-ethyl)-2,2'-(dodecafluoro-hexane-1,6-diyl)-bis-[1,3,5]triazine 42566-62-1 C24F38I2N6O2
    4,4'-bis-(1,1,2,2,3,3-hexafluoro-3-iodo-propyl)-6,6'-bis-(1,1,2,2-tetrafluoro-2-trifluoromethoxy-ethyl)-2,2'-(dodecafluoro-hexane-1,6-diyl)-bis-[1,3,5]triazine
    —— 4,4'-bis-heptafluoropropyl-6,6'-bis-(1,1,2,2,3,3-hexafluoro-3-iodo-propyl)-2,2'-(dodecafluoro-hexane-1,6-diyl)-bis-[1,3,5]triazine 42566-61-0 C24F38I2N6
    4,4'-bis-heptafluoropropyl-6,6'-bis-(1,1,2,2,3,3-hexafluoro-3-iodo-propyl)-2,2'-(dodecafluoro-hexane-1,6-diyl)-bis-[1,3,5]triazine
    —— 4,5-Di-n-propyl-1,1,2,2-tetracyan-3-triethoxysilyl-cyclohex-4-en 40962-11-6 C22H32N4O3Si
    4,5-Di-n-propyl-1,1,2,2-tetracyan-3-triethoxysilyl-cyclohex-4-en
    —— 4-(2,7-Diethyl-9H-fluoren-4-yl)-butyric acid 39840-67-0 C21H24O2
    4-(2,7-Diethyl-9H-fluoren-4-yl)-butyric acid
    —— 4-methyl-1-phenyl-phosphepane 43140-07-4 C13H19P
    4-methyl-1-phenyl-phosphepane
    —— 4-Methoxy-1-(4-methoxy-benzyl)-naphthalene-2-carboxylic acid 54432-92-7 C20H18O4
    4-Methoxy-1-(4-methoxy-benzyl)-naphthalene-2-carboxylic acid
    —— 4-ethyl-3,5-dimethyl-pyrrole-2-carboxylic acid 2,4-dinitro-phenyl ester 26631-38-9 C15H15N3O6
    4-ethyl-3,5-dimethyl-pyrrole-2-carboxylic acid 2,4-dinitro-phenyl ester
    —— 4,4'-Bis-[methyl-phenyl-((Z)-2-triethylsilanyl-vinyl)-silanyl]-biphenyl 41856-21-7 C42H58Si4
    4,4'-Bis-[methyl-phenyl-((Z)-2-triethylsilanyl-vinyl)-silanyl]-biphenyl
    —— 4-Dibromomethyl-2-(2-carboxyethyl)-2,5,5-trimethyl-3-imidazoline 1-oxyl 132402-34-7 C10H15Br2N2O3
    4-Dibromomethyl-2-(2-carboxyethyl)-2,5,5-trimethyl-3-imidazoline 1-oxyl
    —— 4-Hydroxy-2-methyl-5-phenyl-2H-pyrazolo[3,4-c]pyridazine 220637-84-3 C12H10N4O
    4-Hydroxy-2-methyl-5-phenyl-2H-pyrazolo[3,4-c]pyridazine
    —— (4aS,5S,5aS,9aS)-2-Benzyl-5-phenyl-1,2,4,4a,5,5a-hexahydro-2-aza-cyclobuta[1,2:1,4]dibenzen-3-one 128644-19-9 C24H23NO
    (4aS,5S,5aS,9aS)-2-Benzyl-5-phenyl-1,2,4,4a,5,5a-hexahydro-2-aza-cyclobuta[1,2:1,4]dibenzen-3-one
    —— 4-amino-3-benzyl-2,5-diphenyl-thiazolium; chloride 1270-94-6 C22H19N2S*Cl
    4-amino-3-benzyl-2,5-diphenyl-thiazolium; chloride
    —— 4-(4-nitrobenzyloxycarbonylamino)-2,2-difluoro-3-hydroxy-5-(4-benzyloxyphenyl) pentanoic acid ethyl ester 173918-50-8 C28H28F2N2O8
    4-(4-nitrobenzyloxycarbonylamino)-2,2-difluoro-3-hydroxy-5-(4-benzyloxyphenyl) pentanoic acid ethyl ester
    —— 4-Methyl-1-phenyl-bicyclo[2.2.2]oct-5-en-2-one 123004-29-5 C15H16O
    4-Methyl-1-phenyl-bicyclo[2.2.2]oct-5-en-2-one
    —— 4-isobutyl-1-(3,4,5-trimethoxy-benzoyl)-thiosemicarbazide 26036-29-3 C15H23N3O4S
    4-isobutyl-1-(3,4,5-trimethoxy-benzoyl)-thiosemicarbazide
    —— 4-(4-Toluidino)-2,2-pentamethylen-5-imino-Δ<sup>3</sup>-thiazolin 22175-53-7 C15H19N3S
    4-(4-Toluidino)-2,2-pentamethylen-5-imino-Δ<sup>3</sup>-thiazolin
    —— 4-Hydroxy-3-nitro-1-naphthyl-4-chloro-styryl-keton 41624-67-3 C19H12ClNO4
    4-Hydroxy-3-nitro-1-naphthyl-4-chloro-styryl-keton
    —— 4-Carbamoyl-2-(4-methoxy-benzyl)-butyric acid 51180-22-4 C13H17NO4
    4-Carbamoyl-2-(4-methoxy-benzyl)-butyric acid
    —— 4-amino-8-phenyl-5,7,8,9-tetrahydro-1-thia-5,10-diazacyclohepta[f]inden-6-one 1251919-24-0 C17H15N3OS
    4-amino-8-phenyl-5,7,8,9-tetrahydro-1-thia-5,10-diazacyclohepta[f]inden-6-one
    —— 4,6-dibromo-6-isopropyl-3-methyl-2,5-dioxocyclohex-3-en-1-yl benzoate 1240328-98-6 C17H16Br2O4
    4,6-dibromo-6-isopropyl-3-methyl-2,5-dioxocyclohex-3-en-1-yl benzoate
    —— 4,4-Dimethyl-cyclopent-2-enecarboxylic acid methyl ester 16626-36-1 C9H14O2
    4,4-Dimethyl-cyclopent-2-enecarboxylic acid methyl ester
    —— [4-(trifluoromethylsulfanyl)benzoyl] 4-(trifluoromethylsulfanyl)benzenecarboperoxoate 79865-54-6 C16H8F6O4S2
    [4-(trifluoromethylsulfanyl)benzoyl] 4-(trifluoromethylsulfanyl)benzenecarboperoxoate
    —— (4-(benzo[d]thiazol-6-yl)phenyl)methanol 1093281-38-9 C14H11NOS
    (4-(benzo[d]thiazol-6-yl)phenyl)methanol
    —— 4'-chloro-4-cyclopropyl-biphenyl-3-carboxylic acid ethyl ester 1164111-78-7 C18H17ClO2
    4'-chloro-4-cyclopropyl-biphenyl-3-carboxylic acid ethyl ester
    —— (+/-)-(4a,8,8-trimethyl-7-oxo-(4a<i>r</i>)-2,3,4,4a,5,6,7,8-octahydro-[2<i>t</i>]naphthyl)-acetic acid methyl ester 132858-78-7 C16H24O3
    (+/-)-(4a,8,8-trimethyl-7-oxo-(4a<i>r</i>)-2,3,4,4a,5,6,7,8-octahydro-[2<i>t</i>]naphthyl)-acetic acid methyl ester
    —— 4,5-dimethyl-1,3,6,7,8,9,10,11-octahydro-2H-cyclohepta[b]azocin-2-one 1227844-14-5 C14H21NO
    4,5-dimethyl-1,3,6,7,8,9,10,11-octahydro-2H-cyclohepta[b]azocin-2-one
    —— 4-(2,6-dichloro-phenylazo)-3-methyl-5-phenyl-isoxazole 30082-12-3 C16H11Cl2N3O
    4-(2,6-dichloro-phenylazo)-3-methyl-5-phenyl-isoxazole
    —— 4-Thia-phenanthren-3-one 54199-71-2 C13H8OS
    4-Thia-phenanthren-3-one
    —— 4-(4-Amino-2,5-diethoxyphenylazo)-α-methylzimtaldehyd 52338-35-9 C20H23N3O3
    4-(4-Amino-2,5-diethoxyphenylazo)-α-methylzimtaldehyd
    —— {4-[(2,4-Dinitro-phenyl)-hydrazono]-2-phenyl-cyclohex-2-enyl}-acetic acid methyl ester 42161-18-2 C21H20N4O6
    {4-[(2,4-Dinitro-phenyl)-hydrazono]-2-phenyl-cyclohex-2-enyl}-acetic acid methyl ester
    —— (4aR,5R,11bR)-7-(tert-Butyl-diphenyl-silanyl)-5-phenyl-3,4,5,11b-tetrahydro-1H-2-oxa-4a-aza-dibenzo[a,c]cycloheptene 139715-26-7 C35H37NOSi
    (4aR,5R,11bR)-7-(tert-Butyl-diphenyl-silanyl)-5-phenyl-3,4,5,11b-tetrahydro-1H-2-oxa-4a-aza-dibenzo[a,c]cycloheptene
    —— 4'-bromo-3,4,5-trimethoxybenzophenone dimethyl acetal 1392140-06-5 C18H21BrO5
    4'-bromo-3,4,5-trimethoxybenzophenone dimethyl acetal
    —— 4-iodophenylsulfonyl-3-methylenepyrrolidine 1352741-00-4 C11H12INO2S
    4-iodophenylsulfonyl-3-methylenepyrrolidine
    —— 4-methyl-5-bromo-7-isopropyl-3-oxobenzofuro-2-ethylcarboxylate 155333-09-8 C15H17BrO4
    4-methyl-5-bromo-7-isopropyl-3-oxobenzofuro-2-ethylcarboxylate
    —— 4-(3-bromo-4-fluoro-phenyl)-2-isobutyl-5-oxo-4,5,6,8-tetrahydro-1H-pyrano[3,4-b]pyridine-3-carboxylic acid methyl ester 927664-88-8 C20H21BrFNO4
    4-(3-bromo-4-fluoro-phenyl)-2-isobutyl-5-oxo-4,5,6,8-tetrahydro-1H-pyrano[3,4-b]pyridine-3-carboxylic acid methyl ester
    —— 4,4,9,9-Tetraethoxy-1,3,4,6,8,9-hexahydro-1,1,3,3,6,6,8,8-octamethylfuro<3,4-b>furo<3',4':5,6>pyrano<3,4-d>pyran 52040-20-7 C28H44O8
    4,4,9,9-Tetraethoxy-1,3,4,6,8,9-hexahydro-1,1,3,3,6,6,8,8-octamethylfuro<3,4-b>furo<3',4':5,6>pyrano<3,4-d>pyran
    —— 4-amino-4-oxobutyl ((benzyloxy)carbonyl)glycinate 1383158-07-3 C14H18N2O5
    4-amino-4-oxobutyl ((benzyloxy)carbonyl)glycinate
    —— 4-Iodfuran-2-carbonsaeuremethylester 59862-76-9 C6H5IO3
    4-Iodfuran-2-carbonsaeuremethylester
    —— 4',7-Dibenzyloxy-5-hydroxy-3',6-dimethoxy-flavon 27589-23-7 C31H26O7
    4',7-Dibenzyloxy-5-hydroxy-3',6-dimethoxy-flavon
    —— 4-Hydroxy-3,3-dipropyl-1,2,3,4-tetrahydro-2-chinolinon 42997-40-0 C15H21NO2
    4-Hydroxy-3,3-dipropyl-1,2,3,4-tetrahydro-2-chinolinon
    —— <4-14C>Estron 7649-02-7 C18H22O2
    <4-14C>Estron