About: http://webisa.webdatacommons.org/428169684

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	Preferred is a C2 to C4 acyl group, for example, an acetyl or propionyl group; more preferred is an acetyl group.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com