About: http://webisa.webdatacommons.org/6043792

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	In some embodiments, the analog is a compound of formula IA or IB and R3 is H. In some such embodiments, R2 is a straight chain alkyl group such as methyl, ethyl, or propyl.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com