893643-73-7
ethyl 2-(4-bromobenzoyl)-3-oxobutanoate
→
~46%
917388-58-0
5-(4-溴苯基)-3-甲基-4-异噁唑羧酸乙酯
91182-60-4
5-(4-溴苯基)-3-甲基-4-异噁唑羧酸