Fostedil

![Fostedil synthesis:[8]](/uploads/202501/14/Fostedil_synthesis2517.png)
Fostedil (A-53,986, KB-944) is a vasodilator acting as a calcium channel blocker which was under development for the treatment of heart conditions such as angina pectoris but was never marketed. It has antihypertensive and antiarrhythmic effects.