4-(3-羟基-1-丙炔)苯甲酸甲酯

methyl 4-(4-chloro-4-oxobutyl)benzoate

4-乙炔基苯甲酰氯

2-(4-溴苯基)-5-(4-硝基苯基)-1,3,4-噁二唑

Methyl 3,4-dibromobenzoate