diethyl 2-phenylselanylpropanedioate

methyl 3-ethoxy-2,2-dimethyl-4-phenylselanylbutanoate

2-phenylselanyl-2-propan-2-ylcyclopentane-1,3-dione

3-phenyl-2-phenylselanylprop-2-enal

1-methyl-2-phenylselanylbenzene