1-Methyl-3-(methylamino)-3-oxo-1-propenyl dimethyl phosphate 2157-98-4 Alphate CCRIS 5216 Crotonamide, 3-hydroxy-N-methyl-, dimethyl phosphate (ester) Dimethyl 1-methyl-3-(methylamino)-3-oxoprop-1-enyl phosphate EINECS 218-473-9 Phosphoric acid, dimethyl 1-methyl-3-(methylamino)-3-oxo-1-propenyl ester Phosphoric acid, dimethyl ester, ester with 3-hydroxy-N-methylcrotonamide