67892-61-9 Hexanedioic acid, polymer with 4,4'-methylenebis(benzenamine), 1,1'-methylenebis(4-isocyanatobenzene), alpha,alpha'-((1-methylethylidene)di-4,1-phenylene)bis(omega-hydroxypoly(oxy(methyl-1,2-ethanediyl))) and 2,2'-oxybis(ethanol)