Cyclic (adenosine monophosphorothioate- guanosine monophosphorothioate), isomer 1 ( c-(ApS-GpS) / 3'3'-cGAMPSS / c[A(3',5')pS-G(3',5')pS] )
Cyclic (adenosine monophosphorothioate- guanosine monophosphorothioate), isomer 2 ( c-(ApS-GpS) / 3'3'-cGAMPSS / c[A(3',5')pS-G(3',5')pS] )