2-溴-1-异丙基-4-甲基苯

N-羟基-alpha-氧代-苯亚氨乙酰氯

(4-溴-苯基)-氧代乙醛肟

1-溴-3-萘酸甲酯

4-O-benzyl 2-O-ethyl 3-(3-ethoxy-3-oxopropyl)-5-methyl-1H-pyrrole-2,4-dicarboxylate