Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6811001
Is Reference of Nigrosina-es#Sense
Nigrosine-fr#Sense
Nigrosin-de#Sense
Nigrosine-nl#Sense
Nigrosin-da#Sense
Nigrosine-en#Sense
Nigrosina-it#Sense
Νιγκροζίνη-el#Sense