<unk>  is a non-selective beta blocker without intrinsic sympathomimetic activity (ISA), but with strong membrane stabilizing activity. Its potency is similar to propranolol.
Bupranolol
Propranolol 
Metipranolol
Penbutolol
Brotizolam
Methazolamide
Ergotamine tartrate 
Avacopan