130-36-9 2-Naphthalenesulfonic acid, 1,2,3,4-tetrahydro-2-methyl-1,4-dioxo-, sodium salt, trihydrate 6147-37-1 Hykinone Klotogen Menadione sodium bisulfite Menadione sodium bisulfite [INN] Menadione sodium bisulfite trihydrate Sodium 1,2,3,4-tetrahydro-2-methyl-1,4-dioxo-2-naphthalenesulfonate trihydrate Vikasol trihydrate