About: http://webisa.webdatacommons.org/270246468

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 some embodiments of the fourth group of compounds of formula IE at least one of R4, R5, or R6 is a halogen such as Cl or F. In other such embodiments, at least one of R4, R5, or R6 is a F.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es