65916-86-1 Hexanedioic acid, polymer with 1,4-butanediol, 1,2-ethanediol and 1,1'-methylenebis(4-isocyanatobenzene), block Hexanedioic acid, polymer with 1,4-butanediol, 1,2-ethanediol and 1,1'-methylenebis(isocyanatobenzene) Methylenediphenyldiisocyanate, adipic acid, 1,4-butanediol, ethylene glycol polymer Poly(butylene ethylene adipate), 1,4-butanediol, methylenebis(phenyl isocyanate) copolymer Polyurethane