57971-99-0 68259-05-2 Benzoic acid, 3,3'-((2,5-dimethyl-1,4-phenylene)bis(iminocarbonyl(2-hydroxy-3,1-naphthalenediyl)azo))bis(4-methyl-, bis(2-chloroethyl) ester Bis(2-chloroethyl) 3,3'-((2,5-dimethyl-p-phenylene)bis(iminocarbonyl(2-hydroxy-1,3-naphthylene)azo))di-p-toluate EINECS 269-507-4