2-Propenoic acid, 2-methyl-, methyl ester, polymer with butyl 2-propenoate and 1,2-propanediol mono(2-methyl-2-propenoate) 57876-47-8 Butyl acrylate, polymer with methyl methacrylate, and (methacrylic acid monoester with 1,2-propanediol)