Synonyms: 3'-Adenylicacid, 3',5'-ester with uridine cyclic 2',3'-phosphate (6CI); Adenosine, 2',3'-O-phosphinicouridylyl-(5'®3')-; Adenosine, uridylyl-(5'®3')-, cyclic hydrogen phosphate(8CI); Furo[3,4-d]-1,3,2-dioxaphosphole, adenosine deriv.; Adenylyl-(3'®5')-uridine cyclic2',3'-(hydrogen phosphate)