About: http://webisa.webdatacommons.org/129102572

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	Illustrative R3 substituents include, for example, the organic residue of ethers, esters, urethanes, amides, ureas, urethanes, anhydrides and the like including mixtures thereof.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es