<http://webisa.webdatacommons.org/242815851>	<http://www.w3.org/ns/prov#value>	"Of these, preferred are methyl and ethyl, and particularly preferred is methyl." .
<http://webisa.webdatacommons.org/prov/117943179>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/242815851> .
<http://webisa.webdatacommons.org/242815851>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/242815851>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .