1,6-DIISOCYANATO-2,2,4-TRIMETHYLHEXANE 132878-86-5 16938-22-0 2,2,4-Trimethyl-1,6-diisocyanatohexane 2,2,4-Trimethylhexa-1,6-diyl diisocyanate 2,2,4-Trimethylhexamethylenediisocyanate [Diisocyanates] 83259-64-7 EINECS 241-001-8 Hexane, 1,6-diisocyanato-2,2,4-trimethyl-