About: http://webisa.webdatacommons.org/127455015

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	Values for R1 which are preferred include, for example, halogeno, methyl, methoxy, ethoxy, methylthio, trifluoromethyl and nitro, particularly halogeno, methyl, methoxy and methylthio, and especially chloro, bromo and iodo.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com