<http://webisa.webdatacommons.org/177273874>	<http://www.w3.org/ns/prov#value>	"R3 is a hydrogen atom, or, each of R1, R2 and R3 is" .
<http://webisa.webdatacommons.org/177273874>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/333848442>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/177273874> .
<http://webisa.webdatacommons.org/177273874>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<faqs.org> .