Cyclic (adenosine- (2' −> 5')- monophosphorothioate[Rp]- adenosine- (3' −> 5')- monophosphorothioate[Rp]) ( c[A(2',5')pS[Rp]-A(3',5')pS[Rp]] / Rp,Rp-2'3'-c-diAMPSS ), sodium salt
Cyclic (adenosine- (2' −> 5')- monophosphorothioate[Sp]- adenosine- (3' −> 5')- monophosphorothioate[Rp]) ( c[A(2',5')pS[Sp]-A(3',5')pS[Rp]] ), sodium salt