<http://webisa.webdatacommons.org/403872770>	<http://www.w3.org/ns/prov#value>	"8???, ???NR8CO???, ???CONR8???, ???NR8SO2???, ???SO2NR8???, ???NR8???NR8???, or ???CR9R10???, wherein R8 is a hydrogen atom, alkyl, cycloalkyl, aryl, aralkyl, or amino-protecting group, and R9 and R10 are the same or different and each is a hydrogen atom, alkyl, cycloalkyl, aryl, or aralkyl." .
<http://webisa.webdatacommons.org/403872770>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/334150826>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/403872770> .
<http://webisa.webdatacommons.org/403872770>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .