2-Naphthalenesulfonic acid, 7-((4-aminobenzoyl)amino)-3-((5-chloro-2-methoxyphenyl)azo)-4-hydroxy- 3-Naphthalenesulfonic acid, 6-(4-aminobenzamido)-2-((5-chloro-2-methoxyphenyl)azo)-1-hydroxy- 65000-29-5