英文名称:Nonanedioic acid, polymer with 1,4-butanediol, 1,4-cyclohexanedimethanol, hexanedioic acid and 1,1-methylenebis(4-isocyanatobenzene); Nonanedioic acid, polymer with 1,4-butanediol, 1,4-cyclohexanedimethanol, hexanedioic acid and 1,1’-methylenebis[4-isocyanatobenzene] edioic acid and 1,1’-methylenebis[4-isocyanatobenzene