Synonyms: Piperidinium, (4,4'-biphenylenebis(2-oxoethylene))bis(1-methyl-4-oxo-, dibromide;Piperidinium, (4,4'-biphenylylenebis(2-oxoethylene))bis(1-methyl-, 4,4'-dioxide, dibromide;AC1MIM5J;LS-116342;1-methyl-1-[2-[4-[4-[2-(1-methyl-4-oxopiperidin-1-ium-1-yl)-2-oxoethyl]phenyl]phenyl]acetyl]piperidin-1-ium-4-one dibromide;63884-23-1