About: http://webisa.webdatacommons.org/193728077

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	: ##STR6## wherein R1 or R2 is an alkyl, cycloalkyl or aryl group, R3, R4 and R5 are a hydrogen or alkyl, cycloalkyl, or aryl groups, m equals 1 to 20 and n equals about 1 to about 500. 29.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com