About: http://webisa.webdatacommons.org/142812525

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	t least one of Rl and R3 is other than hydrogen or methyl ; or a pharmaceutically acceptable salt, hydrate or derivative thereof.
http://www.w3.org/ns/prov#wasQuotedFrom	sumobrain.com