2-Hydroxyethyl methacrylate polymer with 2-ethoxyethyl methacrylate 2-Hydroxyethyl methacrylate, ethoxyethyl methacrylate polymer 2-Propenoic acid, 2-methyl-, 2-ethoxyethyl ester, polymer with 2-hydroxyethyl 2-methyl-2-propenoate 2-Propenoic acid, 2-methyl-, 2-hydroxyethyl ester, polymer with 2-ethoxyethyl 2-methyl-2-propenoate 29403-23-4 DuraSoft 2 DuraSoft 3 Fresh Look Phemfilcon A Phemfilcon A [USAN]