About: http://webisa.webdatacommons.org/382672227

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 formulae (IVa) and/or (IVb), R26, R27 and R28 more particularly represent a hydrogen atom or R26 represents a phenyl group and R27, R28 represent a hydrogen atom.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com