<http://webisa.webdatacommons.org/274459922>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/53901185>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/274459922> .
<http://webisa.webdatacommons.org/274459922>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<sumobrain.com> .
<http://webisa.webdatacommons.org/274459922>	<http://www.w3.org/ns/prov#value>	"Preferably each R is a methyl or ethyl group and preferably each R 2 is in the range of Cj5 to C19." .
<http://webisa.webdatacommons.org/prov/131467877>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/274459922> .