2,6-Diisocyanatohexanoic acid, 2-isocyanatoethyl ester 2-Isocyanatoethyl 2,6-diisocyanatohexanoate 69878-18-8 82796-35-8 97042-86-9 EINECS 274-179-0 Hexanoic acid, 2,6-diisocyanato-, 2-isocyanatoethyl ester