About: http://webisa.webdatacommons.org/51250802

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	Where Q is a member selected from the class consisting of --O--, ##STR2## --S--, and --Cx H2x --, and x is a whole number from 1 to 5 inclusive, and the B units comprise a member of the class consisting of the formulas, ##SPC5##
http://www.w3.org/ns/prov#wasQuotedFrom	google.com