53610-02-9 Nonoxynol-10 carboxylic acid PEG-10 Nonyl phenyl ether carboxylic acid Poly(oxy-1,2-ethanediyl), alpha-(carboxymethyl)-omega-(nonylphenoxy)- Poly(oxyethylene) nonylphenyl carboxymethyl ether Polyethylene glycol 500 nonyl phenyl ether carboxylic acid Polyoxyethylene (10) nonyl phenyl ether carboxylic acid