63869-97-6 Dwubromek bis(beta-metylopirolidynio-etylo)metylaminy [Polish] Methyl-bis(beta-N-methylpyrrolidinium-ethyl)amine dibromide P-12 Pyrrolidinium, 1,1'-((methylimino)-di-2,1-ethanediyl)bis(1-methyl-, dibromide Pyrrolidinium, 1,1'-((methylimino)diethylene)bis(1-methyl-, dibromide