Synonyms: Calcium 2,5-dihydroxy-4-((4-methylphenyl)sulfonyl)benzenesulfonate (1:1);2,5-Dihydroxy-4-sulfo-4'-methyldiphenylsulfone, sel de calcium [French];Benzenesulfonic acid, 2,5-dihydroxy-4-((4-methylphenyl)sulfonyl)-, calcium salt (1:1);AC1MI89N;LS-31881;2,5-Dihydroxy-4-sulfo-4'-methyldiphenylsulfone, sel de calcium;calcium 2-hydroxy-4-(4-methylphenyl)sulfonyl-5-oxidobenzenesulfonate;51579-74-9