4H-1,4-Oxaphosphorinium, 2,4,4,6-tetraphenyl-, bromide

2,4,4-triphenyl-6-(4,4,6-triphenyl-1,4-oxaphosphinin-4-ium-2-yl)-1,4-oxaphosphinin-4-ium,bromide

1-甲基-4-苯基乙炔苯

2-diphenylphosphorylethynylbenzene

diphenyl(2-phenylethyl)phosphane