About: http://webisa.webdatacommons.org/219291691

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	hylene, propylene, hydroxypropylene or butylene, x is an integer from 1 to 20 and preferably from 2 to 8, and M+ is a monovalent metallic cation such as sodium, potassium, or lithium, or an ammonium ion.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk