125938-08-1 39378-01-3 Isophorane diisocyanate, polybutylene glycol polymer Poly(oxy-1,4-butanediyl), alpha-hydro-omega-hydroxy-, polymer with 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane Poly(oxytetramethylene) glycol, isophorone diisocyanate copolymer