About: http://webisa.webdatacommons.org/33662192

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	A in each occurrence, independently is a bond, ???O???, ???NH???, ???S???, ???C(O)???, ???C(O)NH???, ???NHC(O)???, ???C(O)O???, ???OC(O)???, ???CH???N??? or ???N???CH???.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com