1-Azoniabicyclo(2.2.2)octane, 1-methyl-3-oxo-4-phenyl-, bromide 1-Methyl-3-keto-4-phenylquinuclidinium bromide 1-Methyl-3-oxo-4-phenyl-1-azoniabicyclo(2.2.2)octane, bromide 1-Methyl-3-oxo-4-phenylquinuclidinium bromide 35425-83-3 Bromuro de quinuclio [Spanish] MA 540 MX 540 Quinuclidinium, 1-methyl-3-oxo-4-phenyl-, bromide Quinuclium Quinuclium bromide Quinuclium bromide anhydrous