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    中文名称 英文名称 CAS号 化学式
    4-亚硝基-2-硝基甲苯 2-nitro-4-nitroso-toluene 82414-03-7 C7H6N2O3
    4-亚硝基-1-哌嗪甲脒 4-Nitroso-1-piperazinecarboxamidine 85063-95-2 C5H11N5O
    4-亚甲基-L-脯氨酸甲酯 methyl 4-methylene-L-proline 84348-40-3 C7H11NO2
    4-亚甲基-8-甲基-2-硫杂二环(3.3.1)壬-7-烯 4-methylene-8-methyl-2-thiabicyclo<3.3.1>non-7-ene 86759-79-7 C10H14S
    4-亚氨基-3-甲基-2-氧代-1,2,3,4-四氢-5-嘧啶甲腈 6-amino-1-methyl-2-oxo-1,2-dihydro-pyrimidine-5-carbonitrile 857410-47-0 C6H6N4O
    4-亚氨基-1-(苯基甲基)-3-哌啶甲腈 1-Benzyl-4-iminopiperidine-3-carbonitrile 85277-11-8 C13H15N3
    4-亚乙基四氢-2H-吡喃 4-ethylidenetetrahydro-2H-pyran 852572-02-2 C7H12O
    4-二苯并噻吩-2-基-4-氧代丁酸 β-(dibenzothiophene-2-carbonyl)propionic acid 88878-79-9 C16H12O3S
    4-二苯亚甲基-3-甲基环己-2,5-二烯-1-酮 3-methyl-4-benzhydrylene-2,5-cyclohexadien-1-one 80826-82-0 C20H16O
    4-二硫基吗啉 4-Disulfanylmorpholine 876274-48-5 C4H9NOS2
    4-二甲氨基偶氮苯-4'-磺酰甘氨酸 DABSYL-glycine 89131-05-5 C16H18N4O4S
    4-二甲氨基偶氮苯-4'-磺酰-L-亮氨酸 Dabsyl-L-leucine 89131-12-4 C20H26N4O4S
    4-二甲氨基-3,5-二硝基苯甲酸 N,N-dimethyl-4-carboxy-2,6-dinitroaniline 82366-55-0 C9H9N3O6
    4-二甲氧甲基-2-三氟甲基嘧啶 4-(dimethoxymethyl)-2-(trifluoromethyl)pyrimidine 878760-47-5 C8H9F3N2O2
    4-二甲氧基甲基-吡啶 4-(dimethoxymethyl)pyridine 82736-91-2 C8H11NO2
    4-二甲基氨基甲基-噻吩-2-甲醛 4-[(Dimethylamino)methyl]thiophene-2-carbaldehyde 893745-77-2 C8H11NOS
    4-二甲基氨基甲基-1-(3-羟基苯基)-1-壬烯-3-酮 Dmamhpn 81134-44-3 C18H27NO2
    4-二甲基氨基-7-(4-乙基-苯基)-7H-9-硫-1,5,7-三氮杂芴-8-酮 9-dimethylamino-3-(4-ethylphenyl)-3H-5-thia-1,3,6-triazafluoren-4-one 869802-44-8 C19H18N4OS
    4-二甲基氨基-2-甲氧基苯甲醛 4-dimethylamino-2-methoxybenzaldehyde 84562-48-1 C10H13NO2
    4-二氟甲氧基苯硼酸频那醇酯 2-(4-(difluoromethoxy)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 887757-48-4 C13H17BF2O3
    4-二对甲苯胺基苯甲醛-1,1-二苯腙 4-Bis(4-methylphenyl)aminobenzaldehyde-1,1-diphenyl-hydrazone 83992-95-4 C33H29N3
    4-二对甲氧基苯胺基苯甲醛 4-[bis(4-methoxyphenyl)amino]benzaldehyde 89115-20-8 C21H19NO3
    4-二乙氨基苯基硫代异氰酸酯 N,N-diethyl-4-isothiocyanatoaniline 84381-54-4 C11H14N2S
    4-二乙氨基-2-十二烯基-4-氧代丁酸 2-[2-(Diethylamino)-2-oxoethyl]tetradec-4-enoic acid 83826-18-0 C20H37NO3
    4-二乙基氨甲酰基-3-氟苯硼酸 (4-(Diethylcarbamoyl)-3-fluorophenyl)boronic acid 874289-14-2 C11H15BFNO3
    4-二乙基氨基甲酰-2-氟苯硼酸 4-(Diethylcarbamoyl)-2-fluorophenylboronic acid 874289-31-3 C11H15BFNO3
    4-乙酰氨基苯基丙烯酸酯 para-acryloyloxyacetanilide 86229-44-9 C11H11NO3
    4-乙酰氨基甲基苯基硼酸 (4-(acetamidomethyl)phenyl)boronic acid 850568-41-1 C9H12BNO3
    4-乙酰氨基安替比林 4-acetylaminoantipyrine 83-15-8 C13H15N3O2
    4-乙酰氨基吡啶-2-甲酸 4-acetylaminopyridine-2-carboxylic acid 84487-16-1 C8H8N2O3
    4-乙酰氨基二苯胺-2-羧酸 4-acetamidodiphenylamine-2-carboxylic acid 857549-89-4 C15H14N2O3
    4-乙酰氨基-N-环己基-3-硝基苯甲酰胺 2'-Nitro-4'-cyclohexylcarbamoylacetanilid 89790-49-8 C15H19N3O4
    4-乙酰氨基-5-溴噻吩-2-羧酸 4-Acetamido-5-bromothiophene-2-carboxylic acid 89499-30-9 C7H6BrNO3S
    4-乙酰氨基-5-溴-2-羟基苯甲酸甲酯 methyl 4-acetamido-5-bromo-2-hydroxybenzoate 89481-86-7 C10H10BrNO4
    4-乙酰氨基-5-氯噻吩-2-羧酸甲酯 2-Thiophenecarboxylic acid, 4-(acetylamino)-5-chloro-, methyl ester 89499-29-6 C8H8ClNO3S
    4-乙酰氨基-3-溴苯磺酰氯 4-acetamido-3-bromobenzene-1-sulfonyl chloride 88963-75-1 C8H7BrClNO3S
    4-乙酰氨基-2-甲氧基苄醇 2-methoxy-4-acetamidobenzyl alcohol 80194-49-6 C10H13NO3
    4-乙酰氨基-2-氨基苯磺酸 4-acetamido-2-aminobenzenesulfonic acid 88-64-2 C8H10N2O4S
    4-乙酰氨基-2,5-二甲基吡唑-3-甲酰胺 N-<5-(aminocarbonyl)-1,3-dimethylpyrazol-4-yl>acetamide 89239-25-8 C8H12N4O2
    4-乙酰氨基-1-甲基-2-(甲硫基)-1H-咪唑-5-羧酸乙酯 Ethyl 5-acetamido-3-methyl-2-methylsulfanylimidazole-4-carboxylate 83325-24-0 C10H15N3O3S
    4-乙酰氨基-1,2-二甲基-1H-咪唑-5-羧酸乙酯 Ethyl 5-acetamido-2,3-dimethylimidazole-4-carboxylate 83325-23-9 C10H15N3O3
    4-乙酰氧基苯甲醛 4-formylphenyl acetate 878-00-2 C9H8O3
    4-乙酰氧基己-5-烯酸 4-acetoxy-5-hexenoic acid 83145-58-8 C8H12O4
    4-乙酰氧基双环[2.2.2]辛烷-1-羧酸甲酯 methyl 4-acetoxybicyclo<2.2.2>octane-1-carboxylate 81687-91-4 C12H18O4
    4-乙酰氧基丁-2-炔酸 4-Acetoxytetrolic acid 88550-28-1 C6H6O4
    4-乙酰氧基-6-癸基氧基-7-异丙氧基-3-甲氧羰基喹啉 4-Acetoxy-6-decyloxy-7-isopropoxy-3-methoxycarbonylquinoline 80061-37-6 C26H37NO6
    4-乙酰氧基-4-氯-2-羟基-2-甲基丁酸乙酯 ethyl 4-acetoxy-4-chloro-2-hydroxy-2-methylbutanoate 80350-42-1 C9H15ClO5
    4-乙酰氧基-4'-溴代联苯 4'-bromobiphenyl-4-yl acetate 84244-98-4 C14H11BrO2
    4-乙酰氧基-3-苯基丁酸 4-acetoxy-3-phenylbutanoic acid 881019-77-8 C12H14O4
    4-乙酰氧基-3-甲氧基肉桂醛 (E)-4-acetoxy-3-methoxycinnamaldehyde 83071-67-4 C12H12O4