Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Hexamethylene diisocyanate-en#Sense
Hexamethylendiisocyanat-de#Sense
Diizocyjanian heksametylenu-pl#Sense
HDI-en#Sense
Хексаметилендиизоцианат-bg#Sense
HDI-de#Sense