About: http://webisa.webdatacommons.org/194409923

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	Compounds according to claim 31 wherein at least one of R2 and R???2 is an aryl, arylalkyl, or alkylaryl group having hetero atoms therein.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com