About: http://webisa.webdatacommons.org/277243828

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	Included in the meaning of ???substituted??? are chains or rings containing one or more heteroatoms, such as nitrogen, oxygen and/or sulfur, and the free valence of the substituted hydrocarbyl may be to the heteroatom.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com