The molecule is a nucleoside 3',5'-cyclic phosphate that is 3',5'-cyclic AMP in which the exocyclic amino group on the purine fragment is replaced by hydrogen It is a 3',5'-cyclic purine nucleotide and a nucleoside 3',5'-cyclic phosphate.
(4aR,6R,7R,7aS)-2-hydroxy-2-oxo-6-purin-9-yl-4a,6,7,7a-tetrahydro-4H-furo[3,2-d][1,3,2]dioxaphosphinin-7-ol