2-(4-nitrophenoxy)-1,3,2λ⁵-dioxaphosphinane 2-oxide

N,N-diethyl-2-oxo-1,3,2λ⁵-dioxaphosphinan-2-amine

2-fluoro-1,3,2λ⁵-dioxaphosphinane 2-oxide

2-phenoxy-1,3,2λ⁵-dioxaphosphinane 2-oxide

N-cyclohexyl-2-oxo-1,3,2λ⁵-dioxaphosphinan-2-amine