68037-26-3 68037-28-5 Benzene, diethenyl-, polymer with ethenylbenzene, sulfonated Poly(divinylbenzene-co-styrene), sulfonated Styrene copolymer with divinylbenzene, sulfonated Styrene, divinylbenzene copolymer, sulfonated Styrene, divinylbenzene copolymer, sulphonated Styrene, divinylbenzene polymer, sulfonated Styrene, divinylbenzene polymer, sulphonated Styrene-divinylbenzene copolymer, sulfonated Sulfonated styrene, divinylbenzene polymer, sodium salt