Synonyms: AC1O53X6;2-Oxepanone, hexanedioic acid, 1,4-butanediol, 2,2'-oxybisethanol, 1,1'-methylenebis(4-isocyanatobenzene) polymer;41366-44-3;butane-1,4-diol; hexanedioic acid; 2-(2-hydroxyethoxy)ethanol; 1-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene; oxepan-2-one;Hexanedioic acid, polymer with 1,4-butanediol, 1,1'-methylenebis(4-isocyanatobenzene), 2-oxepanone and 2,2'-oxybis(ethanol)