<http://webisa.webdatacommons.org/306950888>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/306950888>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/507710980>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/306950888> .
<http://webisa.webdatacommons.org/306950888>	<http://www.w3.org/ns/prov#value>	"The pyruvate-derived compound also may be a ???modified pyruvate analogue??? which refers to a compound comprising a modified pyruvate skeleton such as (???C???C(N)???C(???O)O) or (???C???C(???N)???C(???O)O) which may be in a substituted form such as (???CrxRy???C(NRsRt)???C(???O)ORz) or (???CRxRy???C(???NRs)???C(???O)ORz), wherein Rs, Rt, Rx, Ry and Rz, if present, are substituents such as H, alk" .