<http://webisa.webdatacommons.org/210751841>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/210751841>	<http://www.w3.org/ns/prov#value>	"or if X is other than hydrogen, then R15 and X may be joined together to form a 3- to 7-membered heterocyclic ring containing a group selected from: --NR3 --, --CO--NR3 --, --NR3 --CO--, --SO2 --NR3 --, --NR3 --SO2 --, --SO2 --, --CO--O--, --O--CO--, --O--, and --CO--, and wherein the heterocyclic ring is optionally substituted with one or more of the substitutents selected from:" .
<http://webisa.webdatacommons.org/210751841>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/63419274>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/210751841> .