1,2,3,4,5-pentachloro-6-[(2,3,4,5,6-pentachlorophenoxy)-propan-2-ylphosphoryl]oxybenzene

N-[chloro(propan-2-yl)phosphoryl]-2-methylpropan-2-amine

N,N'-di-t-butyl-P-isopropylphosphonic diamide

1-[butoxy(propan-2-yl)phosphoryl]oxybutane

butyl isopropylphosphonochloridate