About: http://webisa.webdatacommons.org/332121658

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	Substitution, where, for example, a hydrogen atom of an alkane is replaced by some other atom or group, such as a halogen atom is the typical reaction.
http://www.w3.org/ns/prov#wasQuotedFrom	utexas.edu