About: http://webisa.webdatacommons.org/31419601

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	wherein q is an integer from 2 to 4, and R is an alkylene group having from 2 to 4 carbon atoms, such as diethylene glycol, triethylene glycol, tetraethylene glycol and dipropylene glycol.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com