<http://webisa.webdatacommons.org/prov/215736130> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/130077758> . <http://webisa.webdatacommons.org/prov/347806014> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/130077758> . <http://webisa.webdatacommons.org/130077758> <http://www.w3.org/ns/prov#wasQuotedFrom> <faqs.org> . <http://webisa.webdatacommons.org/130077758> <http://www.w3.org/ns/prov#value> "X is a bond and R2 is a group --NHR'' or --N(OR''')R'' wherein R'' is" . <http://webisa.webdatacommons.org/130077758> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> .