<http://webisa.webdatacommons.org/163317458>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/163317458>	<http://www.w3.org/ns/prov#value>	"In formula 2, it is preferred that all of R1, R2 and R3 are a methyl group." .
<http://webisa.webdatacommons.org/prov/108625818>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/163317458> .
<http://webisa.webdatacommons.org/prov/107271844>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/163317458> .
<http://webisa.webdatacommons.org/prov/108013098>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/163317458> .
<http://webisa.webdatacommons.org/163317458>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .