117651-96-4 Poly(oxy(methyl-1,2-ethanediyl)), alpha-(2-((((1-(3-(1-isocyanato-1-methylethyl)phenyl)-1-methylethyl)amino)carbonyl)amino)methylethyl)-omega-(2-((((1-(3-(1-isocyanato-1-methylethyl)phenyl)-1-methylethyl)amino)carbonyl)amino)methylethoxy)-