<http://webisa.webdatacommons.org/prov/464367197>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/381904016> .
<http://webisa.webdatacommons.org/381904016>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.fr> .
<http://webisa.webdatacommons.org/381904016>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/381904016>	<http://www.w3.org/ns/prov#value>	"R1 is a C1-6 alkyl group; R2 is methyl group or ethyl group; R3 is hydrogen atom, methyl group, or ethyl group; and R4 is hydrogen atom or methyl group. 10." .