5(or 6)-Carboxy-4-hexyl-2-cyclohexene-1-octanoic acid, polyethyleneglycol diester 68025-14-9 98457-99-9 Poly(oxy-1,2-ethanediyl), alpha-hydro-omega-hydroxy-, ester with 5(or 6)-carboxy-4-hexyl-2-cyclohexene-1-propanoic acid (2:1)