(alpha-(Diethoxyphosphinyl)-p-methoxybenzyl)bis(2-chloropropyl)antimonite 74038-45-2 NSC 221126 Phosphonic acid, (((bis(2-chloropropoxy)stibino)oxy)(4-methoxyphenyl)methyl)-, diethyl ester (9CI) Phosphonic acid, (alpha-hydroxy-p-methoxybenzyl)-, diethyl ester, ester with bis(2-chloropropyl) antimonate (III)