24459-79-8 4-Pipecolinium, (4,4'-biphenylylenebis(2-oxoethylene))bis(1-methyl-, diiodide 4-Pipecolinium, 1,1'-(4,4'-biphenylylenebis(2-oxoethylene))bis(1-methyl-, diiodide (8CI) CA 5 Piperidinium, (4,4'-biphenylylenebis(2-oxoethylene))bis(1,4-dimethyl-, diiodide Piperidinium, 1,1'-((1,1'-biphenyl)-4,4'-diylbis(2-oxo-2,1-ethanediyl))bis(1,4-dimethyl-, diiodide