1,3-Benzenedicarboxylic acid, polymer with 1,4-benzenedicarboxylic acid, 1,4-butanediol, 1,3-diisocyanatomethylbenzene, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol, hexahydro-1,3-isobenzofurandione, alpha-hydro-omega-hydroxypoly(oxy(methyl-1,2-ethanediyl)), 1,1'-methylenebis(4-isocyanatobenzene), 1,1',1''-methylidynetris(4-isocyanatobenzene) and alpha,alpha',alpha''-1,2,3-propanetriyltris(omega-hydroxypoly(oxy(methyl-1,2-ethanediyl))) 212210-35-0