Flecainide is a medication used to prevent and treat abnormally fast heart rates.?This includes ventricular and supraventricular tachycardias.

Azadirachtin B is an limonoid isolated from seed kernels of Azadirachta indica and it is active against the Epstein-Barr virus early antigen (EBV-EA).

Insulin (insulin from the bovine pancreas) is a two-chain polypeptide hormone produced in human pancreatic cells.Insulin cattle are often used as a growth supplement for cultured cells.