About: http://webisa.webdatacommons.org/37531533

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	In general, when the compound is a phenol which can be oxidized to a quinone or quinoneimine, it is necessary to include an electron-withdrawing substituent attached to the aromatic ring such as halo, carboxy, nitro, or cyano.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com