2-Propenoic acid, 2-methyl-, methyl ester, polymer with ethyl 2-propenoate and isooctyl 2-propenoate 2-Propenoic acid, ethyl ester, 2-methyl-2-propenoic acid, methyl ester, 2-propenoic acid, isooctyl ester polymer 68540-67-0 72123-47-8