2-Methyl-2-propenoic acid polymer with divinylbenzene 2-Propenoic acid, 2-methyl-, polymer with diethenylbenzene 50602-21-6 9006-22-8 9017-36-1 9022-86-0 Amberlite IRP-64 Resin Benzene, diethenyl-, polymer with 2-methyl-2-propenoic acid Divinylbenzene-methacrylic acid copolymer Methacrylic acid polymer with divinylbenzene Methacrylic acid-divinylbenzene copolymer POLACRILIN Polacrilin [USAN:INN] Poly(divinylbenzene-co-methacrylic acid)