1-methoxy-4-[(4-methoxyphenyl)-phenylphosphoryl]benzene

4,4-dimethyl-2-phenyl-1,3,2λ⁵-oxazaphospholidine 2-oxide

1-tert-butyl-4-[(4-tert-butylphenoxy)-phenylphosphoryl]oxybenzene

3-(2,6-dimethylphenyl)-2-phenyl-1,3,2λ⁵-oxazaphospholidine 2-oxide

1-[chloro(phenyl)phosphoryl]oxy-4-nitrobenzene