hydroxypolyether poly(ethylene glycol) Polyethylene glycol polyethylene oxide Glycols, polyethylene poly(ethyleneoxide) polyoxyethylene alpha-hydro-omega-hydroxypoly(oxyethylene) 1,2-ethanediol homopolymer Polyaethylenglykole PEG alpha-hydro-omega-hydroxypoly(oxyethylene) Polyaethylenglykol alpha,omega-hydroxypoly(ethylene oxide) A polymer composed of repeating ethyleneoxy units. poly(oxyethylene) polyethylene glycols PEO Macrogol ethylene glycol homopolymer alpha-hydro-omega-hydroxypoly(oxy-1,2-ethanediyl) polyethylene glycol ethylene glycol polymer POE