Wikipedia
Fenpiverinium
Fenpiverinium is an antimuscarinic. It is used in Spasmalgon, a Bulgarian drug which is a combination of pitofenone hydrochloride, fenpiverinium bromide, and metamisol sodium. Spasmalgon relieves pain and spasms of smooth muscles.
Category:Quaternary ammonium compounds Category:Muscarinic antagonists Category:Piperidines Category:Butyramides