About: http://webisa.webdatacommons.org/86933046

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	etween 1-4 and Y is a heteroatom selected from O, S or NR where R may be H or lower alkyl or alkoxy group, with 2,4-thiazolidinedione; followed by removal of N-protecting group by conventional methods.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com