
1) Calcium channel blocker 2) Muscle relaxant
Found on
https://www.crosswordclues.com/clue/phenibut

β-Phenyl-γ-aminobutyric acid (brand name Noofen), better known as phenibut or less commonly fenibut or phenybut, is a derivative of the naturally occurring inhibitory neurotransmitter γ-aminobutyric acid (GABA). The addition of a phenyl ring allows phenibut to cross the blood brain barrier. Phenibut is sold as a nutritional supplement, and is n...
Found on
http://en.wikipedia.org/wiki/Phenibut
No exact match found.