About: http://webisa.webdatacommons.org/183107803

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	d, a is a number having an average value of from 2 to 20, and b is a number having an average value of from 0.3 to 10,wherein the molecular weight of (R1)a R2 (R1)b is between 200 and 5,000. 24.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com