<http://webisa.webdatacommons.org/144127293>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/464455995>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/144127293> .
<http://webisa.webdatacommons.org/144127293>	<http://www.w3.org/ns/prov#value>	"Preferably, R1 is a methyl, ethyl, propyl (n- or iso-), butyl (n-, iso-, or tert-), n-amyl, n-hexyl, or 2-ethylhexyl group." .
<http://webisa.webdatacommons.org/144127293>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .