About: http://webisa.webdatacommons.org/104243735

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	More preferably, R4, R5, R6, R7, and R8 are independently H or alkyl groups (preferably including up to 10 carbon atoms) optionally substituted with hydroxy groups.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk