Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of E 527-fr#Sense
E 527-de#Sense
Idrossido d'ammonio-it#Sense
E 527-it#Sense
Ammoniumhydroxid-de#Sense
Hydroxyde d'ammonium-fr#Sense