<prompt> Potassium channel openers with anti anginal drug is:NicorandilDipyridamoleTrimetazidineOxyphedrine  <response>: Nicorandil: Ref: 499-KDT 534-KDT 6thPOTASSIUM-CHANNEL-OPENERS Minoxidil, diazoxide used in hypertension, hyperensive emergencies Nicorandil, pinacidil, cromakalinNICORANDIL: - This novel antianginal drug activates ATP sensitive K channels - hyperpolarizing vascular smooth muscle the vasodilator action is partly antagonized by K channel blocker glibenclamide Dipyridamol, Trimetazidine, oxyphedrine are antianginal drugs 