2-Propenoic acid, 2-methyl-, polymer with butyl 2-propenoate, ethyl2-propenoate, methyl 2-propenoate and 2-propenoic acid, ammonium salt 67785-49-3 Acrylic acid, butyl acrylate, ethyl acrylate, methyl acrylate, methacrylic acid polymer, ammonium salt