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中文名称 英文名称 CAS号 化学式
4-氨基-1,2-噻唑-3-羧酸甲酯 methyl 4-amino-1,2-thiazole-3-carboxylate 734492-43-4 C5H6N2O2S
4-氨基-1,2-噻唑-3-羧酸 4-amino-3-isothiazolecarboxylic acid hydrochloride 72632-94-1 C4H4N2O2S*ClH
4-氨基-1,2-噻唑-3,5-二甲酸 4-Aminoisothiazol-3,5-dicarbonsaeure 72632-90-7 C5H4N2O4S
4-氨基-1,2,5-硒二唑-3-羧酸 3-Amino-4-carboxy-1,2,5-selenadiazol 7698-90-0 C3H3N3O2Se
4-氨基-1,2,5-硒二唑-3-甲酰胺 3-Amino-4-carbamoyl-1,2,5-selenadiazol 7722-06-7 C3H4N4OSe
4-氨基-1,2,5-噻二唑-3-亚胺代甲酰肼 N',4-diamino-1,2,5-thiadiazole-3-carboximidamide 7254-01-5 C3H6N6S
4-氨基(苯基偶氮)萘-1-磺酸 4-Amino(phenylazo)naphthalene-1-sulphonic acid 71412-01-6 C16H13N3O3S
4-氧代尼立达唑 1-(5-Nitro-thiazol-2-yl)-2,4-dioxo-imidazolidine 7039-09-0 C6H4N4O4S
4-氧代壬-1-醛 4-oxononanal 74327-29-0 C9H16O2
4-氧代四氢噻吩-3-羧酸叔丁酯 tert-butyl 4-oxotetrahydrothiophene-3-carboxylate 797038-38-1 C9H14O3S
4-氧代哌啶-3-羰酸甲酯 盐酸盐 methyl 4-oxo-3-piperidinecarboxylate hydrochloride 71486-53-8 C7H11NO3*ClH
4-氧代吡喃-2,6-二羧酸二乙基酯 diethyl 4-oxo-4H-pyran-2,6-dicarboxylate 725-92-8 C11H12O6
4-氧代13-顺式-维甲酸甲基酯 (2Z,4E,6E,8E)-methyl 3,7-dimethyl-9-(2,6,6-trimethyl-3-oxocyclohex-1-en-1-yl)nona-2,4,6,8-tetraenoate 71748-57-7 C21H28O3
4-氧代-哌嗪-1-基-丁酸 4-oxo-4-piperazin-1-yl-butyric acid 72547-43-4 C8H14N2O3
4-氧代-哌啶-3-羧酸乙酯 1-hydroxy-isoquinoline-4-carboxylic acid ethyl ester 78746-04-0 C12H11NO3
4-氧代-5H-茚并[2,3-e]吡喃-2-羧酸 4,5-Dihydro-4-oxy-indeno<1.2-b>pyran-2-carbonsaeure 74949-94-3 C13H8O4
4-氧代-5-苯基-1,4-二氢吡啶-3-羧酸乙酯 ethyl 4-oxo-5-phenyl-1,4-dihydropyridine-3-carboxylate 72676-86-9 C14H13NO3
4-氧代-4-芘-1-基丁酸 γ-oxo-1-pyrenebutyric acid 7499-60-7 C20H14O3
4-氧代-4-(戊甲基苯基)丁酸 4-oxo-4-(2,3,4,5,6-pentamethylphenyl)butanoic acid 765269-95-2 C15H20O3
4-氧代-4-(4-苯基苯基)丁酸钠 Fenbufen sodium 77479-09-5 C16H13NaO3
4-氧代-4-(3-吡啶基)丁醛 4-(3-pyridyl)-4-oxobutyraldehyde 76014-80-7 C9H9NO2
4-氧代-4-(1H-吡咯-2-基)丁酸 4-oxo-4-(1H-pyrrol-2-yl)butanoic acid 71739-65-6 C8H9NO3
4-氧代-4-(1,3-噻唑-4-基)丁腈 1-(4-Thiazolyl)-3-cyano-1-propanone 77280-68-3 C7H6N2OS
4-氧代-3-戊甲基-10-氧-3-氮-三环基[5.2.1.0(1,5)]十二基-8-烯-6-羧酸 1-Oxo-2-(2-phenylethyl)-1,2,3,6,7,7a-hexahydro-3a,6-epoxyisoindole-7-carboxylic acid 77960-22-6 C17H17NO4
4-氧代-3-AZA-三环[4.2.1.0(2.5)]壬烷 3-aza-tricyclo[4.2.1.02,5]nonan-4-one 7486-95-5 C8H11NO
4-氧代-2-苯基-4H-苯并吡喃-3-基乙酸酯 3-Acetoxy-flavon 7578-68-9 C17H12O4
4-氧代-2-苯基-4H-1-苯并吡喃-3-羧酸 flavone-3-carboxylic acid 77037-45-7 C16H10O4
4-氧代-2-丙基戊腈 4-oxo-2-propylpentanenitrile 74322-92-2 C8H13NO
4-氧代-2-丁酸甲酯 fumaraldehydic acid methyl ester 7327-99-3 C5H6O3
4-氧代-1-苯基环己烷羧酸 4-Oxo-1-phenyl-cyclohexancarbonsaeure 75945-91-4 C13H14O3
4-氧代-1-氮杂螺[5.5]十一烷-1-羧酸叔丁酯 Tert-butyl 4-oxo-1-azaspiro[5.5]undecane-1-carboxylate 778647-35-1 C15H25NO3
4-氧代-1,4-二氢-3-吡啶甲酰肼 4-hydroxy-nicotinic acid hydrazide 76766-77-3 C6H7N3O2
4-氧代-1,4-二氢-3,5-吡啶二羧酸二乙酯 diethyl 1,4-dihydro-4-oxopyridine-3,5-dicarboxylate 74632-03-4 C11H13NO5
4-氧-L-脯氨酸氢溴酸盐 4-Oxopyrrolidine-2-carboxylic acid;hydrobromide 75776-67-9 C5H8BrNO3
4-氟麻黄素盐酸盐 Flephedrone Hydrochloride; 4-Fluoromethcathinone Hydrochloride 7589-35-7 C10H13ClFNO
4-氟苯酚,甲基氨基甲酸 4-Fluorophenol;methylcarbamic acid 705-70-4 C8H10FNO3
4-氟苯甲酰异硫氰酸酯 4-fluorobenzoyl isothiocyanate 78225-74-8 C8H4FNOS
4-氟苯基环丙基甲酮 cyclopropyl(4-fluorophenyl)methanone 772-31-6 C10H9FO
4-氟苯基乙醇酸乙酯 ethyl 2-(4-fluorophenyl)-2-hydroxyacetate 7550-03-0 C10H11FO3
4-氟苯乙烷磺酸 2-(4-fluorophenyl)ethyl-1-mesylate 771468-53-2 C8H9FO3S
4-氟苯乙炔 1-ethynyl-4-fluorobenzene 766-98-3 C8H5F
4-氟苯丙醇 3-(4-fluorophenyl)propan-1-ol 702-15-8 C9H11FO
4-氟苯丙酸乙酯 ethyl 3-(4-fluorophenyl)propanoate 7116-38-3 C11H13FO2
4-氟苄脲 1-(4-fluorophenyl)methylurea 76523-24-5 C8H9FN2O
4-氟甲基哌啶盐酸盐 4-(fluoromethyl)piperidine hydrochloride 787564-27-6 C6H12FN*ClH
4-氟环己醇 4-fluorocyclohexan-1-ol 74058-19-8 C6H11FO
4-氟哌啶 4-fluoropiperidine 78197-27-0 C5H10FN
4-氟双环[2.2.2]辛烷-1-胺 4-fluorobicyclo<2.2.2>octan-1-amine 78385-91-8 C8H14FN
4-氟双环[2.2.2]辛烷-1-羧酸 4-fluorobicyclo<2.2.2>octane-1-carboxylic acid 78385-84-9 C9H13FO2
4-氟八氢环戊烯并[c]吡咯-1-羧酸 4-Fluorooctahydrocyclopenta[c]pyrrole-1-carboxylic acid 783325-91-7 C8H12FNO2