About: http://webisa.webdatacommons.org/181373669

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	Preferably, in organic residues or hydrocarbons containing heteroatoms such as R there is not more than one heteroatom attached by a single bond to the same carbon atom.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr