About: http://webisa.webdatacommons.org/258186401

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	R1 is an alkylene group, an arylene group, an arylalkylene group, or an alkylarylene group, provided that no oxygen atom creates a
http://www.w3.org/ns/prov#wasQuotedFrom	google.es