72765-48-1 Hexanedioic acid, polymer with 3-hydroxy-2-(hydroxymethyl)-2-methylpropanoic acid, 1,1-methylenebis(4-isocyanatocyclohexane) and 2,2-oxybis(ethanol)
72765-49-2 Propanoic acid, 3-hydroxy-2-(hydroxymethyl)-2-methyl-, polymer with α-hydro-ω-hydroxypoly( oxy-1,4-butanediyl) and 5-isocyanato-1-(isocyanatomethyl) -1,3,3-trimethylcyclohexane