4-((5-Chloro-4-methyl-2-sulfophenyl)azo)-3-hydroxy-2-naphthalenecarboxylic acid, manganese lake 68609-85-8 EINECS 271-837-9 Manganese, 4-((5-chloro-4-methyl-2-sulfophenyl)azo)-3-hydroxy-2-naphthalenecarboxylate complexes