About: http://webisa.webdatacommons.org/390320880

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	found: Hackh chem. dict. (heterocyclic. hetero atom: a heterocyclic atom; i.e. any atom, other than carbon, in an atomic ring)
http://www.w3.org/ns/prov#wasQuotedFrom	loc.gov