ChEBI: Vecuronium bromide is the organic bromide salt of a 5alpha-androstane compound having 3alpha-acetoxy-, 17beta-acetoxy-, 2beta-piperidinino- and 16beta-N-methylpiperidinium substituents. It has a role as a nicotinic antagonist, a neuromuscular agent and a muscle relaxant. It is a quaternary ammonium salt and an organic bromide salt. It contains a vecuronium. It is functionally related to a 5alpha-androstane.