About: http://webisa.webdatacommons.org/416840341

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Opium is produced from this substance, and codeine and morphine are derived from opium.Other drugs, such as heroin, are processed from morphine or codeine.
http://www.w3.org/ns/prov#wasQuotedFrom	thedrugspot.com