3328-33-4 4-01-00-03423 (Beilstein Handbook Reference) BRN 1813403 CP 10502 ENT 24,415 Monsanto CP-10502 Phosphonic acid, (1-hydroxyvinyl)-, dimethyl ester, dimethyl phosphate Phosphoric acid, 1-(dimethoxyphosphinyl)ethenyl dimethyl ester (9CI)