About: http://webisa.webdatacommons.org/108160878

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	Compounds of formula (I) wherein X is a direct bond and R.sup.2 is a heterocycle, said compounds being generally represented by formula (I-d), can conveniently be prepared by cyclisation of the appropriate intermediate. Intramolecular
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com