methyl 6-diethoxyphosphorylhexa-2,4-dienoate

1-buta-1,3-dienyl-3,5-dimethoxybenzene

N-[ethoxy(prop-2-enyl)phosphoryl]-N-methylmethanamine

diethyl 4-ethenylcyclohexene-1,4-dicarboxylate

(2-丙烯基)膦酸二乙酯