About: http://webisa.webdatacommons.org/357471162

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	on atoms, a phenyl group, a cyclic group, or mixture thereof, and R3 is a hydrogen, methyl group, or a mixture thereof.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com