About: http://webisa.webdatacommons.org/80429306

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	Of the foregoing compounds, those in which the hydrocarbon radicals of R and R are alkyl radicals such as methyl and ethyl or aryl radicals such as phenyl, and R is an alkyl radical such as methyl and ethyl are to be preferred.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr