About: http://webisa.webdatacommons.org/42268820

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	Further in the formula (2) or (3), X is a hydrogen atom, alkyl, cycloalkyl, alkenyl, aralkyl, aryl, alkoxyl, aryloxy, nitro or halogen atom.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au