GS-6620 PM is a derivative of GS-6620, an orally administered anti-hepatitis C virus polymerase inhibitor and a novel potent C-nucleoside adenine analogue monophosphate prodrug.GS-6620 has limited activity against other viruses and maintains only partial activity against the closely related bovine viral diarrhea virus (EC50, 1.5 μM).

Otophylloside H is a pregnane glycosides isolated from the roots of Cynanchum otophyllum. Otophylloside H can be used in epilepsy research.

Orthosphenic Acid 是从 M. triflora 中分离出来的天然产物。