129698-94-8 2-(Diethylamino)ethyl 2-methyl-2-propenoate polymer with 2-methylpropyl 2-methyl-2-propenoate 2-Propenoic acid, 2-methyl-, 2-(diethylamino)ethyl ester, polymer with 2-methylpropyl 2-methyl-2-propenoate