About: http://webisa.webdatacommons.org/433307381

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	Here, the group R in the general formula (1) corresponds to R1???COOX and X is a divalent group such as alkylene or arylene or a direct bond.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com