About: http://webisa.webdatacommons.org/87267672

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	R is a hydrocarbyl spacer unit such as alkyl or aromatic or polyether, polyurethane, polyester, glycol, polyglycol including forms thereof substituted with carboxyl, phosphoric and other acid moieties and salts thereof.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr