About: http://webisa.webdatacommons.org/451950697

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	10, W is oxygen or sulfur; X is oxygen, sulfur or CH2 ; Y is a purine or pyrimidine base, Z is carbon, sulfur, or oxygen, and wherein when Z is oxygen or sulfur, A and C are not present.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com