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    中文名称 英文名称 CAS号 化学式
    4-(2-(1H-咪唑-2-基)苯基)吡啶 2-[2-(pyrid-4-yl)phenyl]imidazole 608515-26-0 C14H11N3
    4-(2-(1,2,3,5,6,7-六氢-S-引达省-4-基)-2-氧代-1-硫代乙基)-吗啉 4-[(1,2,3,5,6,7-hexahydro-<i>s</i>-indacen-4-yl)-oxo-thioacetyl]-morpholine 65935-72-0 C18H21NO2S
    4-(2-((2-(4-氯苯基)-6-甲基-4-嘧啶基)氨基)苯甲酰基)-吗啉 Morpholine, 4-(2-((2-(4-chlorophenyl)-6-methyl-4-pyrimidinyl)amino)benzoyl)- 65789-86-8 C22H21ClN4O2
    4-(2,6-二氟苯基)苯酚 2',6'-difluoro-[1,1'-biphenyl]-4-ol 628306-32-1 C12H8F2O
    4-(2,6,6-三甲基环己基)-3-甲基-2-丁醇 3-methyl-4-(2,2,6-trimethyl-cyclohexyl)-butan-2-ol 60241-53-4 C14H28O
    4-(2,5-二甲苯偶氮)邻甲苯胺 4-Amino-3,2',5'-trimethyl-azobenzol 61931-72-4 C15H17N3
    4-(2,5-二甲基苯甲酰基)苯甲酸甲酯 4-(2,5-dimethylbenzoyl)-benzoic acid methyl ester 649756-98-9 C17H16O3
    4-(2,5-二甲基噻吩-3-基)-4-氧代丁酸 2,5-dimethyl-γ-oxo-3-thiophenebutanoic acid 6007-77-8 C10H12O3S
    4-(2,5-二甲基吡咯-1-基)苯胺 4-(2,5-dimethyl-1H-pyrrol-1-yl)benzenamine 60176-19-4 C12H14N2
    4-(2,5-二氯苯基)-3-氨基硫脲 4-(2,5-dichlorophenyl)-3-thiosemicarbazide 61335-34-0 C7H7Cl2N3S
    4-(2,5-二氧代-3-苯基-吡咯烷-1-基)-2-(三氟甲基)苯磺酰胺 4-(2,5-Dioxo-3-phenyl-1-pyrrolidinyl)-2-(trifluoromethyl)benzenesulfonamide 65116-59-8 C17H13F3N2O4S
    4-(2,5-二氧代-3-甲基-4-丙基-1-吡咯烷基)苯磺酰胺 4-(2,5-Dioxo-3-methyl-4-propyl-1-pyrrolidinyl)benzenesulfonamide 65116-24-7 C14H18N2O4S
    4-(2,5-二氢吡咯-1-羰基)-3-甲基苯甲酸 4-(2,5-dihydro-pyrrol-1-yl-carbonyl)-3-methyl-benzoic acid 651045-05-5 C13H13NO3
    4-(2,5-二氢-2,5-二氧代-1H-吡咯-1-基)-苯甲酸 2,5-二氧代-1-吡咯烷基酯 2,5-dioxopyrrolidin-1-yl 4-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)benzoate 64191-06-6 C15H10N2O6
    4-(2,4-二硫代-1,3-噻唑烷-3-基)丁酸 4-(2,4-dithioxo-thiazolidin-3-yl)-butyric acid 60708-95-4 C7H9NO2S3
    4-(2,4-二甲基苯基)-4H-1,2,4-噻唑-3-硫醇 4-(2,4-dimethyl-phenyl)-2,4-dihydro-[1,2,4]triazole-3-thione 66297-59-4 C10H11N3S
    4-(2,4-二特戊基苯氧基)-N-(4-氯-3-硝基苯基)丁酰胺 N-(4-chloro-3-nitrophenyl)-4-(2,4-di-tert-pentylphenoxy)butanamide 63134-29-2 C26H35ClN2O4
    4-(2,4-二氯苯氧基)丁酸丁酯 2,4-DB butyl ester 6753-24-8 C14H18Cl2O3
    4-(2,4-二氯苯氧基)丁腈 4-(2,4-dichlorophenoxy)butanenitrile 63867-25-4 C10H9Cl2NO
    4-(2,4-二氯苯基)-5-(1-甲基-1H-吡咯)-4H-1,2,4-噻唑-3-硫醇 4-(2,4-dichlorophenyl)-5-(1-methyl-1H-pyrrol-2-yl)-4H-1,2,4-triazole-3-thiol 668471-48-5 C13H10Cl2N4S
    4-(2,4-二氯苯基)-3-甲基丁-3-烯-2-酮 4-(2,4-dichlorophenyl)-3-methyl-3-buten-2-one 66897-02-7 C11H10Cl2O
    4-(2,4-二氯-5-甲氧基苯胺基)-6-甲氧基-7-[(1-甲基哌啶-4-基)甲氧基]喹啉-3-腈 4-[(2,4-dichloro-5-methoxyphenyl)amino]-6-methoxy-7-[(1-methylpiperidin-4-yl)methoxy]-3-quinolinecarbonitrile 622368-91-6 C25H26Cl2N4O3
    4-(2,4-二氯-5-甲氧基苯胺基)-6-甲氧基-7-[(1-甲基哌啶-3-基)甲氧基]喹啉-3-腈 4-(2,4-Dichloro-5-methoxyanilino)-6-methoxy-7-[(1-methylpiperidin-3-yl)methoxy]quinoline-3-carbonitrile 622368-90-5 C25H26Cl2N4O3
    4-(2,4-二氯-5-甲氧基苯胺基)-6-甲氧基-7-[(1-甲基哌啶-2-基)甲氧基]喹啉-3-腈 4-[(2,4-Dichloro-5-methoxyphenyl)amino]-6-methoxy-7-[(1-methylpiperidine-2-yl)methoxy]quinoline-3-carbonitrile 622369-26-0 C25H26Cl2N4O3
    4-(2,4-二氯-3-甲基苯氧基)-1-哌啶-4-甲基-哌啶 4-(2,4-dichloro-3-methylphenoxy)-1-(piperidin-4-ylmethyl)-piperidine 676517-42-3 C18H26Cl2N2O
    4-(2,4,6-三甲基苯基)苯甲酸 4-(2,4,6-trimethylphenyl)benzoic acid 66818-63-1 C16H16O2
    4-(2,4,6-三甲基-3-环己烯-1-基)-3-丁烯-2-酮 4-(2,4,6-Trimethylcyclohex-3-en-1-yl)but-3-en-2-one 67801-38-1 C13H20O
    4-(2,4,6-三氯苯氧基)苯酚 Hydroxychlornitrofen 68906-24-1 C12H7Cl3O2
    4-(2,3-环氧丙烷)吗啉 4-(oxiran-2-ylmethyl)morpholine 6270-19-5 C7H13NO2
    4-(2,3-二羟基丙氧基)苯甲醛 3-(p-Formylphenoxy)-1,2-propanediol 64049-49-6 C10H12O4
    4-(2,3-二甲氧基苯基)丁酸 4-(2',3'-dimethoxyphenyl)-3-butanoic acid 64400-76-6 C12H16O4
    4-(2,3-二甲基苯氧基)苯甲醛 Benzaldehyde, 4-(2,3-dimethylphenoxy)- 61343-93-9 C15H14O2
    4-(2,3-二氯-4-甲氧基苯基)-4-氧代丁酸 3-(2,3-dichloro-4-methoxybenzoyl)propionic acid 63001-48-9 C11H10Cl2O4
    4-(2,3-二氢苯并[g][1,4]苯并恶嗪-4-基甲基)-1,5-二甲基-2-苯基吡唑-3-酮 1-Phenyl-2,3-dimethyl-4-naphthalanmorpholinomethylpyrazolin-5-one 61517-79-1 C24H23N3O2
    4-(2,3,5,6-四氟-4-吡啶-4-基苯基)吡啶 4,4'-(perfluoro-1,4-phenylene)dipyridine 607690-76-6 C16H8F4N2
    4-(2,3,4-三甲氧基苯甲酰基)吗啉 (trimethoxy-2,3,4 phenyl) (morpholino-4)methanone 64059-58-1 C14H19NO5
    4-(2,2-二甲氧基乙氧基)苯甲醚 1-(2,2-dimethoxyethoxy)-4-methoxybenzene 68426-08-4 C11H16O4
    4-(2,2-二氯乙烯基)-苯甲腈 4-(2,2-dichlorovinyl)benzonitrile 65085-94-1 C9H5Cl2N
    4-(2,2-二氯乙烯基)-N,N-二甲基苯胺 4-(2,2-dichlorovinyl)-N,N-dimethylaniline 6798-58-9 C10H11Cl2N
    4-(2,2-二氯-1-羟基-乙基)-2-甲氧基-苯酚 4-(2,2-Dichloro-1-hydroxy-ethyl)-2-methoxy-phenol 61693-73-0 C9H10Cl2O3
    4-(2,2-二氯-1,1-二氟乙氧基)苯胺 4-(2,2-dichloro-1,1-difluoroethoxy)aniline 60984-93-2 C8H7Cl2F2NO
    4-(2,2-二氯-1,1-二氟乙氧基)苯磺酰氯 4-(2,2-dichloro-1,1-difluoroethoxy)benzenesulfonyl chloride 64728-72-9 C8H5Cl3F2O3S
    4-(2,2-二乙氧基乙氧基)甲苯 1-(2,2-diethoxyethoxy)-4-methylbenzene 66614-56-0 C13H20O3
    4-(2,2,6-三甲基环己基)丁烷-2-基乙酸酯 Tetrahydroionyl acetate 68555-59-9 C15H28O2
    4-(2,2,6-三甲基环己基)-2-丁酮 4-(2,2,6-trimethylcyclohexyl)-butan-2-one 6138-85-8 C13H24O
    4-(2,2,2-三氟乙氧基)硝基苯 1-(2,2,2-trifluoroethoxy)-4-nitrobenzene 62149-35-3 C8H6F3NO3
    4-(2,2,2-三氟乙氧基)甲苯 1-methyl-4-(2,2,2-trifluoroethoxy)benzene 62158-89-8 C9H9F3O
    4-(2,2,2-三氟乙基)哌嗪-1-羧酸苄基酯 benzyl 4-(2,2,2-trifluoroethyl)piperazine-1-carboxylate 629625-96-3 C14H17F3N2O2
    4-(2,2,2-三氟乙基)哌嗪-1-羧酸叔丁酯 tert-butyl 4-(2,2,2-trifluoroethyl)piperazine-1-carboxylate 692058-21-2 C11H19F3N2O2
    4-(2,2'-二氯二乙基氨基)-2-丁酮氢溴酸盐 4-[Bis(2-chloroethyl)amino]butan-2-one--hydrogen bromide (1/1) 64037-45-2 C8H16BrCl2NO