102923-77-3 Propanoic acid, 3-hydroxy-2-(hydroxymethyl)-2-methyl-, polymer with 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane, caprolactam-blocked Propanoic acid, 3-hydroxy-2-(hydroxymethyl)-2-methyl-, polymer with5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane, caprolactam-blocked