4-((4-氨基苯基)氨基)哌啶-1-羧酸苄酯盐酸盐
4-(4-nitrophenethylamino)piperidine-1-carboxylic acid tert butyl ester
4-Chloro-8-ethyl-2-propylquinoline hydrochloride
4-Bromo-6-fluoro-2-propylquinoline hydrobromide
4-(Pentafluorosulfur)cinnamic acid
4-broMo-3-(3-broMophenyl)-5-Methyl-1H-pyrazole
4-氯-3-碘-1-(4-甲氧基)-1H-吡唑并[4,3-C]吡啶
4-methoxy-4-methylpentan-2-ol
4-(benzothiazol-2-ylthio)-2,6-dimethylmorpholine
4-BROMO-Α-(FLUOROMETHYL)BENZYLAMINE
4-氧代-3-苄氧基-4H-吡喃-2,5-二甲酸二甲酯
4-Chloro-2-dimethylaminomethylene-3-oxo-butyric acid ethyl ester
4-Chloro-3-fluoro-2-formylphenylboronic acid pinacol ester
4-(5-甲基-2-氧代-3-恶唑烷基)-1-哌啶羧酸叔丁酯
4-METHYL-6-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)-3,4-DIHYDRO-2H-BENZO[B][1,4]OXAZINE
4-BROMO-3-METHOXYPHENYLBORONIC ACID