1-bromo-4-[2-(4-methoxyphenyl)ethynyl]benzene

2,4'-二溴苯乙酮

3-(4-溴苯基)-3-氧丙酸甲酯

1,4-二(4-溴苯基)-1,3-丁二炔

methyl 3-(4-bromophenyl)prop-2-ynoate