About: http://webisa.webdatacommons.org/291364085

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	X.sub.1 being C.sub.1 -C.sub.12 acyl or (C.sub.1 -C.sub.8 alkoxy)carbonyl or having one of the meanings given for R.sub.1 except hydrogen;
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com