Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Hexafluorpropylene-en#Sense
Esafluoropropilene-it#Sense
Hexafluorpropyleen-nl#Sense
Hexafluoropropylène-fr#Sense
Хексафлуорпропилен-bg#Sense
Hexafluorpropylen-da#Sense
Hexafluorpropylen-de#Sense