methyl 2-phenylselanylprop-2-enoate

(2-isothiocyanato-2-phenylethyl)selanylbenzene

2-phenylselanyl-2-sulfanylidene-1,3,2λ⁵-dioxaphosphinane

2-phenylselanyl-2-sulfanylidene-1,3,2λ⁵-dithiaphosphinane

5-(phenylselanylmethyl)oxolan-2-one