<http://webisa.webdatacommons.org/190976541>	<http://www.w3.org/ns/prov#value>	"Preferably, R is an alkyl group having 1 to 4 carbon atoms, i.e. methyl, ethyl, propyl, or butyl, or a phenyl group." .
<http://webisa.webdatacommons.org/prov/474235877>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/190976541> .
<http://webisa.webdatacommons.org/190976541>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com.au> .
<http://webisa.webdatacommons.org/190976541>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/131467857>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/190976541> .