105391-16-0 55608-05-4 56388-96-6 85342-45-6 85342-47-8 Ethanoic acid, 2-(tridecyloxypolyethyleneoxy)- Poly(oxy-1,2-ethanediyl), alpha-(carboxymethyl)-omega-(tridecyloxy)- Poly(oxyethylene)tridecylacetic acid