4,4,5,5-tetramethyl-2,2,2-tri-p-tolyl-1,3,2l⁵-dioxaphospholane

2,2-dihydro-4,4,5,5-tetramethyl-2-methyl-2,2-diphenyl-1,3,2-dioxaphospholane

3-(bromomethyl)-3-phenyldioxetane

乙醛

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