About: http://webisa.webdatacommons.org/213615109

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	wherein n is 0 or 1; when n is 1, X is an akyl, aryl, or alkaryl diradical connecting group of 1 to 9 carbon atoms; m is 2 to 50, R3 is H or CH3, and R4 is H or an alkyl group of 1 to 4 carbon atoms.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com