2-Propenoic acid, butyl ester, polymer with 1,3-butadiene, ethenyl chloroacetate, ethyl 2-propenoate and 2-methoxyethyl 2-propenoate 60088-64-4 Butyl 2-propenoate, 1,3-butadiene, ethenyl chloroacetate, ethyl 2-propenoate, 2-methoxyethyl 2-propenoate polymer