[2-[2-[2,5-dibromo-4-[2-[2-[ethoxy(dimethyl)silyl]phenyl]ethynyl]phenyl]ethynyl]phenyl]-ethoxy-dimethylsilane

9,10-bis(bromomethyl)phenanthrene

9,10-二甲基菲

2,2-二溴二苯基乙炔