About: http://webisa.webdatacommons.org/3438623

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	Of particular value are compounds of the group defined above in which R1 is hydrogen or lower alkyl, R2 is a lower alkyl group and R3 is a 4-pyridyl group.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com