1,3-Propanediol, 2-ethyl-2-(hydroxymethyl)-, polymer with 1,3-diisocyanato-2-methylbenzene, 2,4-diisocyanato-1-methylbenzene and methyloxirane 72252-54-1 Polymer of (propylene oxide-1,2,2,4-toluenediisocyanate, 2,6-toluenediisocyanate, trimethylolpropane)