About: http://webisa.webdatacommons.org/295712276

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	OOZ; and n is 1, 2 or 3 when X is a direct bond or the integer 2 or 3; Z is H or a negative charge. 3.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca