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Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Preferable examples of R1 are methyl group, ethyl group, propyl group, isopropyl group, butyl group, t-bytyl group, and phenyl group.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com