About: http://webisa.webdatacommons.org/189627125

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	R2 is a member selected from alkoxy, alkoxycarbonyl, alkylsulfonyloxy, amino, aryloxycarbonyl, arylsulfonyloxy and halo, optionally substituted with one or more independently selected (C1-C6) alkyl groups;
http://www.w3.org/ns/prov#wasQuotedFrom	google.com