<unk>  (Neo-gilurythmal) is a class Ia antiarrhythmic agent which has been available since the 1970s. Class Ia drugs increase the time one action potential lasts in the heart.<unk>  is a semi-synthetic propyl derivative of ajmaline, with a higher bioavailability than its predecessor. It acts to stop arrhythmias of the heart through a frequency-dependent block of cardiac sodium channels.
Prajmaline
Bethanechol chloride
Tiemonium iodide
Benzoctamine
Edrophonium
N-Methylephedrine
Ammonium bromide
Rescinnamine