Dacuronium Bromide Impurity 2;PancuroniuM BroMide Related CoMpound A;Pancuronium Bromide EP Impurity C (Pancuronium Bromide USP Related Compound A);Pancuronium Bromide Related Compound A (1,1''-(3alpha,17beta-dihydroxy-5alpha-androstan-2beta,16beta (1494228);1,1'-[(2beta,3alpha,5alpha,16beta,17beta)-3,17-Dihydroxyandrostane-2,16-diyl]bis[1-methylpiperidinium]dibromide;Pancuronium Bromide Related Compound A (15 mg) (1,1'-(3alpha,17beta-dihydroxy-5alpha-androstan-2beta,16beta-ylene) bis(1-methylpiperidinium) dibromide);1,1''-((2S,3S,5S,8R,9S,10S,13S,14S,16S,17R)-3,17-dihydroxy-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthrene-2,16-diyl)bis(1-methylpiperidin-1-ium) bromide