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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4,5-Dicarbomethoxyacridan 34756-39-3 C17H15NO4
    4,5-Dicarbomethoxyacridan
    —— 4-hydroxymethyl-5-methyl-pyrrole-2-carboxylic acid ethyl ester 30038-08-5 C9H13NO3
    4-hydroxymethyl-5-methyl-pyrrole-2-carboxylic acid ethyl ester
    —— 4-cyclopentylamino-8-ethyl-quinoline-3-carboxylic acid ethyl ester 1174226-69-7 C19H24N2O2
    4-cyclopentylamino-8-ethyl-quinoline-3-carboxylic acid ethyl ester
    —— 4-amino-2-methylsulfanyl-5-oxo-8-(tri-O-acetyl-β-D-ribofuranosyl)-5,8-dihydro-pyrido[2,3-d]pyrimidine-6-carboxylic acid ethyl ester 36707-03-6 C24H28N4O11S
    4-amino-2-methylsulfanyl-5-oxo-8-(tri-O-acetyl-β-D-ribofuranosyl)-5,8-dihydro-pyrido[2,3-d]pyrimidine-6-carboxylic acid ethyl ester
    —— (4β,9α,10α)-9,10-dibromo-12,13-epoxytrichothec-4-yl acetate 1257215-71-6 C17H24Br2O4
    (4β,9α,10α)-9,10-dibromo-12,13-epoxytrichothec-4-yl acetate
    —— [4-(4-bromophenyl)piperazin-1-yl](2,2-difluorocyclopropyl)methanone 1374342-35-4 C14H15BrF2N2O
    [4-(4-bromophenyl)piperazin-1-yl](2,2-difluorocyclopropyl)methanone
    —— 4-methyl-3-(4-nitro-benzoylamino)-3<i>H</i>-thiazole-2-thione 71399-79-6 C11H9N3O3S2
    4-methyl-3-(4-nitro-benzoylamino)-3<i>H</i>-thiazole-2-thione
    —— 4-chloro-2-<N-(bibenzyloxymethylene)amino>phenol 87054-11-3 C21H18ClNO3
    4-chloro-2-<N-(bibenzyloxymethylene)amino>phenol
    —— [4-Iodo-5-[3-thiophen-3-yl-5-tri(propan-2-yl)silylthiophen-2-yl]thieno[3,2-e][1]benzothiol-2-yl]-tri(propan-2-yl)silane 1416144-01-8 C36H49IS4Si2
    [4-Iodo-5-[3-thiophen-3-yl-5-tri(propan-2-yl)silylthiophen-2-yl]thieno[3,2-e][1]benzothiol-2-yl]-tri(propan-2-yl)silane
    —— 4-benzenesulfonyl-benzoic acid benzylidenehydrazide 102007-30-7 C20H16N2O3S
    4-benzenesulfonyl-benzoic acid benzylidenehydrazide
    —— (4R,4'R)-2,2'-(2-(2'-(((tert-butyldiphenylsilyl)oxy)methyl)-[1,1'-biphenyl]-3-yl)ethane-1,1-diyl)bis(4-phenyl-4,5-dihydrooxazole) 691407-90-6 C49H48N2O3Si
    (4R,4'R)-2,2'-(2-(2'-(((tert-butyldiphenylsilyl)oxy)methyl)-[1,1'-biphenyl]-3-yl)ethane-1,1-diyl)bis(4-phenyl-4,5-dihydrooxazole)
    —— 4,7-dichloro-2-trans-styryl-quinoline 101439-49-0 C17H11Cl2N
    4,7-dichloro-2-trans-styryl-quinoline
    —— (+/-)-4-(α-Cyano-o-chlorbenzylamino)-salicylsaeure 64101-23-1 C15H11ClN2O3
    (+/-)-4-(α-Cyano-o-chlorbenzylamino)-salicylsaeure
    —— 4-{2-[2-ethyl-3,5-dihydroxy-6-(3-thienylcarbonyl)phenyl]acetyl}-1-(2-cyanophenyl)piperazin-2-one 819812-33-4 C26H23N3O5S
    4-{2-[2-ethyl-3,5-dihydroxy-6-(3-thienylcarbonyl)phenyl]acetyl}-1-(2-cyanophenyl)piperazin-2-one
    —— 4-chloro-6-(1,3-thiazol-2-yl)-2-(2-thienyl)pyrimidine 856173-70-1 C11H6ClN3S2
    4-chloro-6-(1,3-thiazol-2-yl)-2-(2-thienyl)pyrimidine
    —— (4S,5R)-4-Hydroxy-1-{6-[(E)-2-(2-methyl-[1,3]dioxolan-2-yl)-vinyl]-benzo[1,3]dioxol-5-ylmethyl}-5-phenylselanyl-pyrrolidin-2-one 218272-98-1 C24H25NO6Se
    (4S,5R)-4-Hydroxy-1-{6-[(E)-2-(2-methyl-[1,3]dioxolan-2-yl)-vinyl]-benzo[1,3]dioxol-5-ylmethyl}-5-phenylselanyl-pyrrolidin-2-one
    —— (4-Phenylamino-5,6,7,8-tetrahydro-benzo[4,5]thieno[2,3-d]pyrimidin-2-yl)-acetic acid ethyl ester 111658-08-3 C20H21N3O2S
    (4-Phenylamino-5,6,7,8-tetrahydro-benzo[4,5]thieno[2,3-d]pyrimidin-2-yl)-acetic acid ethyl ester
    —— 4-(2-Naphthalen-1-yl-1-phenyl-ethyl)-piperazine-1-carboxylic acid tert-butyl ester 915717-68-9 C27H32N2O2
    4-(2-Naphthalen-1-yl-1-phenyl-ethyl)-piperazine-1-carboxylic acid tert-butyl ester
    —— 4-Chloro-N<sup>1</sup>-(4-imino-cyclohexa-2,5-dienylidene)-benzene-1,2-diamine 76190-28-8 C12H10ClN3
    4-Chloro-N<sup>1</sup>-(4-imino-cyclohexa-2,5-dienylidene)-benzene-1,2-diamine
    —— 4-(2-acetylamino-5-benzoyl-4-methyl-thiophene-3-carbonyl)-morpholine 52797-84-9 C19H20N2O4S
    4-(2-acetylamino-5-benzoyl-4-methyl-thiophene-3-carbonyl)-morpholine
    —— 4-Benzyl-4,5-dimethyl-3,4-dihydro-2H-[1,2]thiazine 1-oxide 131196-27-5 C13H17NOS
    4-Benzyl-4,5-dimethyl-3,4-dihydro-2H-[1,2]thiazine 1-oxide
    —— 4-Aethoxy-3-methyl-heptadien-(1,6)-dicarbonsaeure-(1,7)-diaethylester 101448-45-7 C16H26O5
    4-Aethoxy-3-methyl-heptadien-(1,6)-dicarbonsaeure-(1,7)-diaethylester
    —— 4-cyanatoheptathiepan-4-ium hexafluoroarsenate(V) 139932-71-1 AsF6*CNOS7
    4-cyanatoheptathiepan-4-ium hexafluoroarsenate(V)
    —— (4S,4aR,8aS)-4-(aminomethyl)-4-(11-benzyloxyundecyl)-2-(tert-butoxycarbonyl)-1,2,3,4,4a,5,8,8a-octahydroisoquinoline 1253265-57-4 C33H54N2O3
    (4S,4aR,8aS)-4-(aminomethyl)-4-(11-benzyloxyundecyl)-2-(tert-butoxycarbonyl)-1,2,3,4,4a,5,8,8a-octahydroisoquinoline
    —— (4S)-3-benzyl-4-[(3aR,6S,6aR)-6-(benzyloxy)-2,2-dimethyltetrahydrofuro[2.3-d][1.3]dioxol-5-yl]-2-oxooxazolidine-4-carbaldehyde 1258426-83-3 C25H27NO7
    (4S)-3-benzyl-4-[(3aR,6S,6aR)-6-(benzyloxy)-2,2-dimethyltetrahydrofuro[2.3-d][1.3]dioxol-5-yl]-2-oxooxazolidine-4-carbaldehyde
    —— 4-(3,5-dimethyl-pyrazol-1-yl)-pyrido[2,3-<i>d</i>]pyrimidine 52196-56-2 C12H11N5
    4-(3,5-dimethyl-pyrazol-1-yl)-pyrido[2,3-<i>d</i>]pyrimidine
    —— (4-((3-fluoro-2-methylphenyl)amino)-8-methylnaphthalen-1-yl)(morpholino)methanone 1384250-45-6 C23H23FN2O2
    (4-((3-fluoro-2-methylphenyl)amino)-8-methylnaphthalen-1-yl)(morpholino)methanone
    —— 4-(4-Methoxy-phenylamino)-3,5-dinitro-benzamide 52532-61-3 C14H12N4O6
    4-(4-Methoxy-phenylamino)-3,5-dinitro-benzamide
    —— 4-[(4-methyl-1-piperazinyl)methyl]-N-[4-methyl-3-[[4-(thiophen-2-yl)pyrimidin-2-yl]amino]-phenyl]benzamide 1024585-60-1 C28H30N6OS
    4-[(4-methyl-1-piperazinyl)methyl]-N-[4-methyl-3-[[4-(thiophen-2-yl)pyrimidin-2-yl]amino]-phenyl]benzamide
    —— (4,6-diamino-[1,3,5]triazin-2-yl)-pyridin-2-yl-methanol 30099-85-5 C9H10N6O
    (4,6-diamino-[1,3,5]triazin-2-yl)-pyridin-2-yl-methanol
    —— 4-Benzyl-2-benzimidazolinon 33609-41-5 C14H12N2O
    4-Benzyl-2-benzimidazolinon
    —— (4-chloro-6-methyl-pyrimidin-2-yl)-(5,6-dichloro-1-methyl-1<i>H</i>-benzoimidazol-2-yl)-amine 42389-39-9 C13H10Cl3N5
    (4-chloro-6-methyl-pyrimidin-2-yl)-(5,6-dichloro-1-methyl-1<i>H</i>-benzoimidazol-2-yl)-amine
    —— 4-Isopropylamino-3-acetamino-1,2-naphthochinon 27223-69-4 C15H16N2O3
    4-Isopropylamino-3-acetamino-1,2-naphthochinon
    —— 4-methyl-oxazole-5-carboxylic acid {1-[1-benzyl-5-(4-fluoro-phenyl)-1H-[1,2,4]triazol-3-ylcarbamoyl]-1-methyl-ethyl}-amide 1205602-35-2 C24H23FN6O3
    4-methyl-oxazole-5-carboxylic acid {1-[1-benzyl-5-(4-fluoro-phenyl)-1H-[1,2,4]triazol-3-ylcarbamoyl]-1-methyl-ethyl}-amide
    —— 4-(allyloxy)-4-methyl-1-phenylpenta-1,2-dien-3-yl acetate 1048639-84-4 C17H20O3
    4-(allyloxy)-4-methyl-1-phenylpenta-1,2-dien-3-yl acetate
    —— 4-(4-Bromo-2-methyl-phenylamino)-2-chloro-2',5'-dimethyl-(thiobenzophenone) 344458-70-4 C22H19BrClNS
    4-(4-Bromo-2-methyl-phenylamino)-2-chloro-2',5'-dimethyl-(thiobenzophenone)
    —— (4-Carboxymethyl-1,1-diethyl-germinan-4-yl)-acetic acid 55454-82-5 C13H24GeO4
    (4-Carboxymethyl-1,1-diethyl-germinan-4-yl)-acetic acid
    —— 4-Cyano-5-hydroxy-Δ<sup>3</sup>-dihydropyran 64559-18-8 C6H7NO2
    4-Cyano-5-hydroxy-Δ<sup>3</sup>-dihydropyran
    —— 4,7-Octadiin-1-sulfonylpiperidid 67448-72-0 C13H19NO2S
    4,7-Octadiin-1-sulfonylpiperidid
    —— 4-amino-3-(4-amino-1,2,5-oxadiazol-3-yl)-1,2,5-oxadiazole 2-oxide 681448-41-9 C4H4N6O3
    4-amino-3-(4-amino-1,2,5-oxadiazol-3-yl)-1,2,5-oxadiazole 2-oxide
    —— 4-(4-(m-tolyloxy)quinazolin-2-yl)aniline 1454691-38-3 C21H17N3O
    4-(4-(m-tolyloxy)quinazolin-2-yl)aniline
    —— 4-iodobenzylsulfonyl acetic acid 300700-06-5 C9H9IO4S
    4-iodobenzylsulfonyl acetic acid
    —— 4,5,6-Trichloro-2-(2-methylphenyl)pyrimidine 83217-11-2 C11H7Cl3N2
    4,5,6-Trichloro-2-(2-methylphenyl)pyrimidine
    —— (4R,5R,7R,8R)-4-hydroxy-2-[(S)-hydroxy(4-methylphenyl)methyl]-7,8-dimethoxy-7,8-dimethyl-6,9-dioxaspiro[4.5]dec-2-en-1-one 1413333-16-0 C20H26O7
    (4R,5R,7R,8R)-4-hydroxy-2-[(S)-hydroxy(4-methylphenyl)methyl]-7,8-dimethoxy-7,8-dimethyl-6,9-dioxaspiro[4.5]dec-2-en-1-one
    —— 4a,9b-trans-8-fluoro-5-(4-fluorophenyl)-2-<3-(N-cyclohexyl-N-phenylcarbamoyl)propyl>-1,2,3,4,4a,9b-hexahydro-γ-carboline hydrochloride 98634-71-0 C33H37F2N3O*HI
    4a,9b-trans-8-fluoro-5-(4-fluorophenyl)-2-<3-(N-cyclohexyl-N-phenylcarbamoyl)propyl>-1,2,3,4,4a,9b-hexahydro-γ-carboline hydrochloride
    —— 4-bromo-1-methoxy-2-phenoxy-benzene 744217-78-5 C13H11BrO2
    4-bromo-1-methoxy-2-phenoxy-benzene
    —— 4,4,7-trimethyl-6-methylene-3,4,5,6-tetrahydro-2H-azepin-1-ium diphenyl phosphate 1312472-57-3 C10H17N*C12H11O4P
    4,4,7-trimethyl-6-methylene-3,4,5,6-tetrahydro-2H-azepin-1-ium diphenyl phosphate
    —— 4-methoxycarbonyl-3-chlorophenyl isothiocyanate 808123-19-5 C9H6ClNO2S
    4-methoxycarbonyl-3-chlorophenyl isothiocyanate
    —— 4-Hex-(E)-ylidene-hexahydro-pentalen-1-one 120587-83-9 C14H22O
    4-Hex-(E)-ylidene-hexahydro-pentalen-1-one
    —— 4-(3-nitro-styryl)-[1,2,3]selenadiazole 73214-37-6 C10H7N3O2Se
    4-(3-nitro-styryl)-[1,2,3]selenadiazole