About: http://webisa.webdatacommons.org/9982014

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	Good levels of activity have been achieved with compounds in which R2 is one of hydrogen, ethyl and especially methyl.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com