2-Oxepanone, polymer with 1,4-butanediol, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol, 4,4'-(methanetetrayldinitrilo)bis(3,5-bis(1-methylethyl)phenol) and 1,1'-methylenebis(4-isocyanatobenzene) 68189-47-9