About: http://webisa.webdatacommons.org/218006922

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	Examples of R3 and R4 groups are alkyls, such as methyl and ethyl; halo alkyls, such as trifluoropropyl; phenyl and benzyl.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com