Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Niacina-pt#Sense
Niacin-en#Sense
Niasiini-fi#Sense
Niacin-da#Sense
Niacina-it#Sense
Niacine-fr#Sense
Niacine-nl#Sense