9079-34-9 Poly(oxy-1,2-ethanediyl), alpha, alpha', alpha'', alpha'''-(((2-sulfophenyl)methylimylidene)bis((3-methyl-4,1-phenylene)nitrilodi-2,1-ethanediyl))tetrakis(omega-hydroxy- Poly(oxy-1,2-ethanediyl), alpha,alpha',alpha'',alpha'''-(((2-sulfophenyl)methyliumylidene)bis((3-methyl-4,1-phenylene)nitrilodi-2,1-ethanediyl))tetrakis(omega-hydroxy-, chloride, monosodium salt