Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6616
Is Reference of Éthylène diamine et ses sels-fr#Sense
Etilendiamina y sus sales-es#Sense
Ethylenediamine and its salts-en#Sense
Aethylendiamin und seine Salze-de#Sense