About: http://webisa.webdatacommons.org/22951503

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	he formula: ##STR7## where A and E are each alkyl of 1 to 2 carbon atoms or hydrogen and n5 is an integer of 1 to 50; n2 is 0 or 1; n3 is 1 or 2 and n4 is 1 or 2.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr