128440-92-6 133775-64-1 137431-11-9 179799-95-2 187170-02-1 2-Propenoic acid, 2-methyl, homopolymer, ethyl ester 2-Propenoic acid, 2-methyl-, ethyl ester, homopolymer 61584-93-8 9003-42-3 Ethyl 2-methyl-2-propenoate homopolymer Poly(ethylmethacrylate)