About: http://webisa.webdatacommons.org/193749822

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	wherein X is a hydrogen atom, a fluorine atom or a methyl group, Y is an oxygen atom, a sulfur atom or an amino group (???NH???), and A is a hydrogen atom, a chlorine atom or a cyano group.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com