51617-66-4 57670-22-1 70455-58-2 70729-91-8 Poly(oxy(methyl-1,2-ethanediyl)), alpha-hydro-omega-hydroxy-, ether with 2,2-bis(hydroxymethyl)-1,3-propanediol (4:1), polymer with 1,3-diisocyanatomethylbenzene Polypropylene ether, toluene diisocyanate polymer Toluene diisocyanate, polymer with polypropylene glycol tetraether with pentaerythritol