Synonyms: Poly(oxy-1,2-ethanediyl),a,a'-[2-ethyl-2-[[(1-oxo-9,12-octadecadienyl)oxy]methyl]-1,3-propanediyl]bis[w-hydroxy-, (Z,Z)-;Poly(oxy-1,2-ethanediyl), a,a'-[2-ethyl-2-[[[(9Z,12Z)-1-oxo-9,12-octadecadienyl]oxy]methyl]-1,3-propanediyl]bis[w-hydroxy- (9CI)