67989-74-6 Adipic acid, 1,6-hexanediol, toluene-2,4-diisocyanate, toluene-2,6-diisocyanate polymer Hexanedioic acid, polymer with 1,3-diisocyanato-2-methylbenzene, 2,4-diisocyanato-1-methylbenzene and 1,6-hexanediol