Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6811
Is Reference of Propiolactone-fr#Sense
Propiolactone-en#Sense
Propiolacton-de#Sense
Προπιολακτόνη-el#Sense
Propiolattone-it#Sense
Propiolacton-nl#Sense
Propiolacton-da#Sense
Propiolactona-es#Sense
Propiolactona-pt#Sense