About: http://webisa.webdatacommons.org/353080188

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	In the above Formulas (I) to (V), R1 is a group selected from an alkyl group having from 1 to 10 carbon atoms, phenyl, substituted phenyl, or a group represented by Formula (VI)
http://www.w3.org/ns/prov#wasQuotedFrom	google.es