73200-82-5 Propanoic acid, 3-hydroxy-2-(hydroxymethyl)-2-methyl-, polymer withalpha-hydro-omega-hydroxypoly(oxy-1,2-ethanediyl), 1,1'-methylenebis(4-isocyanatocyclohexane), alpha,alpha'-((1-methylethylidene)di-4,1-phenylene)bis(omega-hydroxypoly(oxy(methyl-1,2-ethanediyl))) and 2-oxepanone