About: http://webisa.webdatacommons.org/441815680

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 alkyl group having 1 to about 20, such as 1 12, carbon atoms, a phenyl group, a cyclic group, or mixture thereof.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com