<unk>  is a Class 1b antiarrhythmic agent.
In one study, it delayed atrial fibrillation more than digoxin did.
It has shown effectiveness when given orally.
Aprindine
Trimetrexate
Crizotinib
Nilotinib
Carmustine 
Dihydroergocristine
Afatinib
Talimogene laherparepvec