About: http://webisa.webdatacommons.org/330078411

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 other embodiments, A is ???C(O)???, R4 is hydrogen and R5 is other than hydrogen.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au