About: http://webisa.webdatacommons.org/166717819

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	A hydrogen atom, a methyl or ethyl residue and a fluorine, chlorine or bromine atom are especially preferred for R6 or R7.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au