英文名称:Diethenylbenzene, polymer with ethenylbenzene and ethenylethylbenzene, sulfonated, calcium salt; Benzene, diethenyl-, polymer with ethenylbenzene and ethenylethylbenzene, sulfonated, calcium salts; Diethenylbenzene, polymer with ethenylbenzene and ethenylethylbenzene, sulfonated, calcium salt