About: http://webisa.webdatacommons.org/360839350

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	J, J1, and J2 independently represent O, S, Se, or N-A, wherein A represents a substituent, such as a methyl group or a phenyl group.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com