Phosphonic acid, di-9-octadecen-1-yl ester Phosphonicacid,di-9-octadecenylester DIOLEYL HYDROGEN PHOSPHITE DIOLEYL PHOSPHONATE dioctadec-9-enyl phosphonate Phosphonsuredialkylester (9-octadecenyl, hexadecanyl) Phosphonic acid bis-(9-octadecenyl)- ester O,O-dioleylphosphite