<http://webisa.webdatacommons.org/prov/131467852>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/273352604> .
<http://webisa.webdatacommons.org/273352604>	<http://www.w3.org/ns/prov#value>	"wherein R is an alkyl group, B is a nucleobase, and W is selected from the group consisting of a protecting group, an oligonucleotide, a nucleotide or a nucleoside." .
<http://webisa.webdatacommons.org/prov/516242112>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/273352604> .
<http://webisa.webdatacommons.org/273352604>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/273352604>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .