<http://webisa.webdatacommons.org/268471658>	<http://www.w3.org/ns/prov#value>	"Suitable examples of R3 are i.a. hydrogen, methyl, ethyl, propyl, isopropyl, butyl, pentyl, hexyl, t-butyl, 2-methoxyethyl, 2-cyanoethyl, benzyl, 2-hydroxyethyl." .
<http://webisa.webdatacommons.org/268471658>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/514072005>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/268471658> .
<http://webisa.webdatacommons.org/268471658>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .