Keywords: MDI structure.svg Chemical structure of Methylene diphenyl 4 4'-diisocyanate MDI Struttura del difenilmetano 4 4' diisocianato MDI Draw by Luigi Chiesa 2006-10-01 Luigi Chiesa old version Image Methylene-diphenyl-diisocyanate-2D-skeletal png by Benjah-bmm27 Isocyanates Diphenylmethanes |