73003-36-8

Benzoic acid, 4,4-[carbonylbis[imino(1- hydroxy-3-sulfo-6,2-naphthalenediyl)azo]]bis-, compd. with α,α,α- (nitrilotri-2,1-ethanediyl)tris[ω-hydroxypoly (oxy-1,2-ethanediyl)] (1:4)