72207-84-2 Maleic acid, half ester with reaction product of (C12-C13) alcohol and ethylene oxide Poly(oxy-1,2-ethanediyl), alpha-((2Z)-3-carboxy-1-oxo-2-propenyl)-omega-hydroxy-, C12-13-alkyl ethers Poly(oxy-1,2-ethanediyl), alpha-(3-carboxy-1-oxo-2-propenyl)-omega-hydroxy-, (Z)-, C12-13-alkyl ethers