1,1'-Methylenebis(isocyanatobenzene), 1,4-butanediol, epsilon-caprolactone polymer 2-Oxepanone, 1,4-butanediol, methylenediphenyldiisocyanate polymer 2-Oxepanone, polymer with 1,4-butanediol and 1,1'-methylenebis(isocyanatobenzene) 68259-27-8 Methylenediphenyldiisocyanate, 1,4-butanediol, caprolactone polymer