About: http://webisa.webdatacommons.org/219636503

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	-- where R1 and R2 independently denote H or alkyl group;a, b and c are independently 0 or 1; x and y are independently an integer of at least 0 and x+y=at least 2; and n is an integer of at least 2. 2.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com