About: http://webisa.webdatacommons.org/23719909

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	where R1 is as defined in formula (I) or is a protected derivative thereof and L??? is a leaving group with an amine HNR2R3, and
http://www.w3.org/ns/prov#wasQuotedFrom	google.com