About: http://webisa.webdatacommons.org/168275029

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 a phenyl, a naphthyl, a tetrahydronaphthyl, a quinolyl or an isoquinolyl, the said rings being unsubstituted or substituted one or more times with R10 ;
http://www.w3.org/ns/prov#wasQuotedFrom	google.com