About: http://webisa.webdatacommons.org/6725211

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	In some embodiments of the compounds of formula IA, at least one of Q, W, X, Y, and Z is a nitrogen atom.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com