About: http://webisa.webdatacommons.org/358589250

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	R5 and R6 are preferably (C1 -C4)-alkyl, which can be halogenated, such as methyl, ethyl, propyl, isopropyl, butyl, isobutyl or trifluoromethyl, in particular methyl and ethyl.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es