About: http://webisa.webdatacommons.org/23712111

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	where R is a substituted alkyl, wherein the substituents are ethers, esters, ketone, alcohols (e.g., hydroxyethyl, ethyltetraethyleneglycol, cyanoethyl, etc.), or substituted aryl (e.g., tolyl, xylyl, naphthyl).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com