2,2-Dihydro-4,4,5,5-tetramethyl-2,2,2-triphenyl-1,3,2-dioxaphospholane

三苯基磷

2,3-二甲基-2,3-环氧丁烷

1-bis(4-methoxyphenyl)phosphoryl-4-methoxybenzene

2,2,2-tris(4-methoxyphenyl)-4,4,5,5-tetramethyl-1,3,2l⁵-dioxaphospholane