About: http://webisa.webdatacommons.org/421350366

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	n is a positive integer, selected for PEG in the range of 4 to 300, for PPG in the range of 3 to 12 and for PEG-PPG block copolymer in the range of 3 to 140; or
http://www.w3.org/ns/prov#wasQuotedFrom	google.com