About: http://webisa.webdatacommons.org/122000655

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	In general expression (1), the X is one of O, CH2 and (CH2)2 and the n is an integer of 0 to 5.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com