About: http://webisa.webdatacommons.org/183638543

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	oup, R3 is H or an alkyl group and R4 is notably an alkyl substituted by an amino group, a pyrrolidino, or a pyridino group.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com