About: http://webisa.webdatacommons.org/180240223

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 hydrocarbyl groups represented by R3 include, but are not limited to, alkyl such as methyl, ethyl, propyl, pentyl; and phenyl.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com