About: http://webisa.webdatacommons.org/312797547

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	The compound of claim 20, wherein R1 is a protecting group removable by an elimination reaction.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com