2-Oxepanone, polymer with 1,4-butanediol, 1,1'-methylenebis(isocyanatobenzene) and oxybis(propanol) 68084-39-9 Methylenebis(isocyanatobenzene), oxybispropanol, 1,4-butanediol, epsilon-caprolactone polymer Methylenediphenyl diisocyanate, 1,4-butanediol, epsilon-caprolactone, dipropylene glycol polymer