<http://webisa.webdatacommons.org/prov/53901185>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/179367412> .
<http://webisa.webdatacommons.org/179367412>	<http://www.w3.org/ns/prov#value>	"The value of a is 0, 1 or 2 and R' is a methyl or ethyl radical." .
<http://webisa.webdatacommons.org/179367412>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/179367412>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .