About: http://webisa.webdatacommons.org/118067189

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	Thus, highly preferably Y is a nitrogen or phosphorus containing group corresponding to the formula --N(R-- or --P(R)--, wherein R is C1-10 alkyl or aryl, ie. an amido or phosphido group.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr