英文名称:2-Propenoic acid, 2-methyl-, monoester with 1,2-propanediol, polymer with ethyl 2-propenoate and methyl 2-methyl-2-propenoate; 2-Propenoic acid, 2-methyl-, monoester with 1,2-propanediol, polymer with ethyl 2-propenoate and methyl 2-methyl-2-propenoate