DA-E 5090 is a pharmacologically active metabolite of E 5090, is an interleukin-1 antagonist. DA-E 5090 is a novel inhibitor of IL-1 generation, in vitro inhibitory effects on the generation of IL-1 by human monocytes.
Nummularine B is a cyclopeptide alkaloid. It has antiviral activity against the porcine epidemic diarrhea virus. It also has potent inhibitory effects on PEDV replication.