73297-28-6 2-Propenoic acid, 2-hydroxyethyl ester, polymer with 2,4-diisocyanato-1-methylbenzene and .alpha.,.alpha.,.alpha.-1,2,3-propanetriyltris.omega.-hydroxypolyoxy(methyl-1,2-ethanediyl)
73297-29-7 2-Propenoic acid, 2-hydroxyethyl ester, polymer with 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane and .alpha.,.alpha.,.alpha.-1,2,3-propanetriyltris.omega.-hydroxypolyoxy(methyl-1,2-ethanediyl)