About: http://webisa.webdatacommons.org/141820241

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	with a triflate of Formula CF3SO2???O???CH(R)???CO???E wherein E is a carboxyl protecting group and R is as defined above; to yield a compound of Formula:
http://www.w3.org/ns/prov#wasQuotedFrom	google.es