4,4'-[ethylenebis[iminosulphonyl(6-methoxy-m-phenylene)azo]]bis[5'-chloro-3-hydroxy-2',4'-dimethoxynaphth-2-anilide]

4,4'-[1,2-Ethanediylbis[iminosulfonyl(6-methoxy-3,1-phenylene)azo]]bis[N-(5-chloro-2,4-dimethoxyphenyl)-3-hydroxy-2-naphthalenecarboxamide]

2-Naphthalenecarboxamide, 4,4'-[1,2-ethanediylbis[iminosulfonyl( 6-methoxy-3,1-phenylene)azo]]bis[N-(5 -chloro-2,4-dimethoxyphenyl)-3-hydroxy-