About: http://webisa.webdatacommons.org/143201832

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	In the preferred polymers of Formula I above, when one of the groups R1 to R8 is of the formula ???OR9 it may be a group derived from a vinyl ether or vinyl carboxylate ester, for example vinyl acetate.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es