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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-methyl-2-morpholino-5-nitro-1,3-diphenyl-cyclopent-2-enol 136368-81-5 C22H24N2O4
    4-methyl-2-morpholino-5-nitro-1,3-diphenyl-cyclopent-2-enol
    —— 4-Ethyl-2-phenylarsenin 63428-53-5 C13H13As
    4-Ethyl-2-phenylarsenin
    —— 4-[1-(2,2,6,6-tetraethyl-4-methoxypiperidin-1-yloxy)ethyl]benzaldehyde 1003592-99-1 C23H37NO3
    4-[1-(2,2,6,6-tetraethyl-4-methoxypiperidin-1-yloxy)ethyl]benzaldehyde
    —— 4-ammonia-2,2,6,6-tetramethyl-piperidine-1-oxyl chloride 1234568-52-5 C9H19N2O*ClH
    4-ammonia-2,2,6,6-tetramethyl-piperidine-1-oxyl chloride
    —— 4-bromo-8-chloro-N-cyclohexyl-5H-pyrido[4,3-b]indol-1-amine 1338377-67-5 C17H17BrClN3
    4-bromo-8-chloro-N-cyclohexyl-5H-pyrido[4,3-b]indol-1-amine
    —— 4-[N-tert-butoxycarbonylpyrrolidine-2-formyloxy]-2(3H)-benzoxazolone 1227675-55-9 C17H20N2O6
    4-[N-tert-butoxycarbonylpyrrolidine-2-formyloxy]-2(3H)-benzoxazolone
    —— 4-((2-cyano-5-hydroxyphenoxy)carbonyl)phenyl 4-(hexyloxy)benzoate 1351703-95-1 C27H25NO6
    4-((2-cyano-5-hydroxyphenoxy)carbonyl)phenyl 4-(hexyloxy)benzoate
    —— 4-Chloro-2-[2-(3-methylphenyl)ethynyl]-1-nitrobenzene 1037493-71-2 C15H10ClNO2
    4-Chloro-2-[2-(3-methylphenyl)ethynyl]-1-nitrobenzene
    —— (4aR<sup>*</sup>, 7aR<sup>*</sup>)-4,4a,5,6,7a,8-Hexahydro-7H-indeno<5,6-b>furan-7-on 105501-33-5 C11H12O2
    (4aR<sup>*</sup>, 7aR<sup>*</sup>)-4,4a,5,6,7a,8-Hexahydro-7H-indeno<5,6-b>furan-7-on
    —— (4aα,6α,7β,8aβ)-2-(cyclopropylmethyl)decahydro-4a-(3-methoxyphenyl)-6-(phenylselenyl)-7-isoquinolinol 137517-79-4 C26H33NO2Se
    (4aα,6α,7β,8aβ)-2-(cyclopropylmethyl)decahydro-4a-(3-methoxyphenyl)-6-(phenylselenyl)-7-isoquinolinol
    —— (4R,5R)-3-[(1S,2R,4R)-2-ethoxy-7,7-dimethylbicyclo[2.2.1]heptane-1-carbonyl]-4-methoxy-5-phenylselanyl-1,3-oxazolidin-2-one 125637-50-5 C22H29NO5Se
    (4R,5R)-3-[(1S,2R,4R)-2-ethoxy-7,7-dimethylbicyclo[2.2.1]heptane-1-carbonyl]-4-methoxy-5-phenylselanyl-1,3-oxazolidin-2-one
    —— (4S)-4-benzyl-2-(2-methyl-1-phenylpropyl)-4,5-dihydro-1,3-oxazole 77937-56-5 C20H23NO
    (4S)-4-benzyl-2-(2-methyl-1-phenylpropyl)-4,5-dihydro-1,3-oxazole
    —— 4-((S)-4,4-Difluoro-1-{2-[3-methoxy-4-(3-o-tolyl-ureido)-phenyl]-acetyl}-pyrrolidin-2-ylmethoxy)-benzoic acid methyl ester 317357-76-9 C30H31F2N3O6
    4-((S)-4,4-Difluoro-1-{2-[3-methoxy-4-(3-o-tolyl-ureido)-phenyl]-acetyl}-pyrrolidin-2-ylmethoxy)-benzoic acid methyl ester
    —— 4-<o-(1-Hydroxy-1-methylaethyl)-phenyl>-2-methylbutan-2-ol 93864-85-8 C14H22O2
    4-<o-(1-Hydroxy-1-methylaethyl)-phenyl>-2-methylbutan-2-ol
    —— 4-Nitro-benzoesaeure-<N-di(4-nitro-phenoxy)-phosphinylimino>-thiophenyl-ester 121655-48-9 C25H17N4O9PS
    4-Nitro-benzoesaeure-<N-di(4-nitro-phenoxy)-phosphinylimino>-thiophenyl-ester
    —— 4-Acetoxy-1-methoxy-3a,4,5,6,7,7a-hexahydro-inden-3-on 91555-49-6 C12H16O4
    4-Acetoxy-1-methoxy-3a,4,5,6,7,7a-hexahydro-inden-3-on
    —— 4-Aethyl-5-<5-nitro-2-furyl>-buta-2.4-dien-carbonsaeure-aethylester 91958-57-5 C13H15NO5
    4-Aethyl-5-<5-nitro-2-furyl>-buta-2.4-dien-carbonsaeure-aethylester
    —— 4,4'-Dibenzoylamino-3,3'-dihexyloxy-biphenyl 104852-34-8 C38H44N2O4
    4,4'-Dibenzoylamino-3,3'-dihexyloxy-biphenyl
    —— 4-(2-Hydroxy-phenoxy)-1-oxy-chinaldin 97472-92-9 C16H13NO3
    4-(2-Hydroxy-phenoxy)-1-oxy-chinaldin
    —— 4-<4-Hydroxy-phenylimino>-chromen-2-carbonsaeure-aethylester 93729-49-8 C18H15NO4
    4-<4-Hydroxy-phenylimino>-chromen-2-carbonsaeure-aethylester
    —— 4-benzoylamino-2-hydroxy-benzoic acid-(2-morpholino-ethyl ester); hydrochloride 111528-42-8 C20H22N2O5*ClH
    4-benzoylamino-2-hydroxy-benzoic acid-(2-morpholino-ethyl ester); hydrochloride
    —— 4.6-Dioxo-3.3.5.5-tetraphenyl-1.2-bis<2-pyridyl>-1.2-diaza-cyclohexan 97657-80-2 C38H28N4O2
    4.6-Dioxo-3.3.5.5-tetraphenyl-1.2-bis<2-pyridyl>-1.2-diaza-cyclohexan
    —— 4-(2,2-di-<i>p</i>-tolyl-vinyl)-benzonitrile 102594-05-8 C23H19N
    4-(2,2-di-<i>p</i>-tolyl-vinyl)-benzonitrile
    —— 4-(2,6-di-trans-styryl-pyran-4-ylidene)-2-(4-nitro-phenyl)-4H-oxazol-5-one 13895-56-2 C30H20N2O5
    4-(2,6-di-trans-styryl-pyran-4-ylidene)-2-(4-nitro-phenyl)-4H-oxazol-5-one
    —— 4-chloro-9,10-dioxo-9,10-dihydro-anthracene-1-sulfonic acid 41125-16-0 C14H7ClO5S
    4-chloro-9,10-dioxo-9,10-dihydro-anthracene-1-sulfonic acid
    —— 4-iodo-N-(4-iodophenyl)-N-((tetrahydro-2H-pyran-2-yl)oxy)benzamide 1360771-79-4 C18H17I2NO3
    4-iodo-N-(4-iodophenyl)-N-((tetrahydro-2H-pyran-2-yl)oxy)benzamide
    —— 4-Fluoro-1,1-dimethylinden-5-amine 1379666-53-1 C11H12FN
    4-Fluoro-1,1-dimethylinden-5-amine
    —— 4-(4-Bromo-2-chloro-phenylamino)-2-chloro-2'-methylbenzophenone 344458-08-8 C20H14BrCl2NO
    4-(4-Bromo-2-chloro-phenylamino)-2-chloro-2'-methylbenzophenone
    —— 4'-[6-((R)-1-benzyl-2-mercaptoethylcarbamoyl)-4-methyl-2-propyl-benzoimidazol-1-ylmethyl]biphenyl-2-carboxylic acid 1-cyclohexyloxycarbonyloxyethyl ester 1092948-59-8 C44H49N3O6S
    4'-[6-((R)-1-benzyl-2-mercaptoethylcarbamoyl)-4-methyl-2-propyl-benzoimidazol-1-ylmethyl]biphenyl-2-carboxylic acid 1-cyclohexyloxycarbonyloxyethyl ester
    —— 4-[(R)-1-(2-amino-4-chloro-phenyl)-ethyl]-(3S)-(4-chloro-phenyl)-7-iodo-1-[3-(4-methyl-piperazin-1-yl)-propyl]-3,4-dihydro-1H-benzo [e][1,4] diazepine-2,5-dione 787632-66-0 C31H34Cl2IN5O2
    4-[(R)-1-(2-amino-4-chloro-phenyl)-ethyl]-(3S)-(4-chloro-phenyl)-7-iodo-1-[3-(4-methyl-piperazin-1-yl)-propyl]-3,4-dihydro-1H-benzo [e][1,4] diazepine-2,5-dione
    —— 4-amino-6-(p-aminophenyl)-2-(p-anisyl)-5-cyanopyrimidine 886761-32-6 C18H15N5O
    4-amino-6-(p-aminophenyl)-2-(p-anisyl)-5-cyanopyrimidine
    —— 4-{(E)-2-[4-(2,2,2-trifluoro-1-hydroxy-1-trifluoromethylethyl)phenyl]vinyl}benzaldehyde O-(4-ethoxy-3,5-dimethoxy-6-methyltetrahydropyran-2-yl)oxime 1239663-76-3 C28H31F6NO6
    4-{(E)-2-[4-(2,2,2-trifluoro-1-hydroxy-1-trifluoromethylethyl)phenyl]vinyl}benzaldehyde O-(4-ethoxy-3,5-dimethoxy-6-methyltetrahydropyran-2-yl)oxime
    —— 4-(5-Bromo-pentyl)-2-(3,4-dichloro-phenyl)-4H-benzo[1,4]oxazin-3-one 244620-41-5 C19H18BrCl2NO2
    4-(5-Bromo-pentyl)-2-(3,4-dichloro-phenyl)-4H-benzo[1,4]oxazin-3-one
    —— 4-(tert-butyl)-2,6-diformylphenyl trifluoromethanesulfonate 713524-75-5 C13H13F3O5S
    4-(tert-butyl)-2,6-diformylphenyl trifluoromethanesulfonate
    —— 4-chloro-2-nitroanilide of β,β-dimethylacrylic acid 56001-29-7 C11H11ClN2O3
    4-chloro-2-nitroanilide of β,β-dimethylacrylic acid
    —— (4R,5S,6S,7R)-4,7-Dibenzyl-1,3-bis-cyclohexylmethyl-5,6-bis-(2-trimethylsilanyl-ethoxymethoxy)-[1,3]diazepan-2-ylidene-cyanamide 1053747-01-5 C46H74N4O4Si2
    (4R,5S,6S,7R)-4,7-Dibenzyl-1,3-bis-cyclohexylmethyl-5,6-bis-(2-trimethylsilanyl-ethoxymethoxy)-[1,3]diazepan-2-ylidene-cyanamide
    —— 4,4'-[trans-1,4-cyclohexanediylbis(methylene)]bisphenol 150801-46-0 C20H24O2
    4,4'-[trans-1,4-cyclohexanediylbis(methylene)]bisphenol
    —— 4-[3-(4-bromo-phenyl)-ureido]-N,N-dimethyl-benzamide 1374208-22-6 C16H16BrN3O2
    4-[3-(4-bromo-phenyl)-ureido]-N,N-dimethyl-benzamide
    —— 4-Oxo-pentanoic acid (3aS,4R,6R,7R,7aS)-6-methoxy-4-(1-methoxy-1-methyl-ethoxymethyl)-2,2-dimethyl-tetrahydro-[1,3]dioxolo[4,5-c]pyran-7-yl ester 851963-40-1 C19H32O9
    4-Oxo-pentanoic acid (3aS,4R,6R,7R,7aS)-6-methoxy-4-(1-methoxy-1-methyl-ethoxymethyl)-2,2-dimethyl-tetrahydro-[1,3]dioxolo[4,5-c]pyran-7-yl ester
    —— (4aR,6R,7R,8S,8aS)-7,8-bis(benzoyloxy)-6-methoxy-2-phenylhexahydropyrano[3,2-d][1,3]dioxin-2-ylium 92516-72-8 C28H25O8
    (4aR,6R,7R,8S,8aS)-7,8-bis(benzoyloxy)-6-methoxy-2-phenylhexahydropyrano[3,2-d][1,3]dioxin-2-ylium
    —— 4-(3,3,6,6-tetramethyl-1,8-dioxo-9-(3,4,5-trimethoxyphenyl)-1,2,3,4,5,6,7,8-octahydroacridin-10(9H)-yl)benzenesulfonamide 1426925-50-9 C32H38N2O7S
    4-(3,3,6,6-tetramethyl-1,8-dioxo-9-(3,4,5-trimethoxyphenyl)-1,2,3,4,5,6,7,8-octahydroacridin-10(9H)-yl)benzenesulfonamide
    —— 4-fluoro-N-methoxy-N-phenylbenzamide 1403251-20-6 C14H12FNO2
    4-fluoro-N-methoxy-N-phenylbenzamide
    —— 4,6-Di-p-tolyl-4,5-dihydro-2H-pyridazine-3-thione 120317-52-4 C18H18N2S
    4,6-Di-p-tolyl-4,5-dihydro-2H-pyridazine-3-thione
    —— 4-[[4-Amino-6-(cyclohexylmethoxy)pyrimidin-2-yl]amino]phenol 1026054-31-8 C17H22N4O2
    4-[[4-Amino-6-(cyclohexylmethoxy)pyrimidin-2-yl]amino]phenol
    —— 4-phenyl-2,6-di(4-nitrophenyl)tetrahydropyran 1126678-78-1 C23H20N2O5
    4-phenyl-2,6-di(4-nitrophenyl)tetrahydropyran
    —— 4-(benzylamino)-2-(3-propionamidophenylamino)pyrimidine-5-carboxamide 1254213-44-9 C21H22N6O2
    4-(benzylamino)-2-(3-propionamidophenylamino)pyrimidine-5-carboxamide
    —— (4-benzyl-1-methoxy-2,6-diphenyl-1λ5-phosphinin-1-yl)-acetic acid ethyl ester 52111-39-4 C29H29O3P
    (4-benzyl-1-methoxy-2,6-diphenyl-1λ5-phosphinin-1-yl)-acetic acid ethyl ester
    —— 4-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-6-O-(2,3,4,6-tetra-O-acetyl-α-D-mannopyranosyl)-1,5-anhydro-2-deoxy-D-threo-hex-1-en-3-ulose 1402142-37-3 C34H44O22
    4-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-6-O-(2,3,4,6-tetra-O-acetyl-α-D-mannopyranosyl)-1,5-anhydro-2-deoxy-D-threo-hex-1-en-3-ulose
    —— 4-amino-N-((4-((4-amino-N-((4-aminophenyl)sulfonyl)phenyl)sulfonamido)phenyl)sulfonyl)-N-octylbenzenesulfonamide 905844-83-9 C32H39N5O8S4
    4-amino-N-((4-((4-amino-N-((4-aminophenyl)sulfonyl)phenyl)sulfonamido)phenyl)sulfonyl)-N-octylbenzenesulfonamide
    —— (+/-)-4-Piperidino-2-phenyl-pentan-2-ol 110334-88-8 C16H25NO
    (+/-)-4-Piperidino-2-phenyl-pentan-2-ol