1,1'-((1,1'-Biphenyl)-4,4'-diylbis(2-hydroxy-2,1-ethanediyl))bis(1,4-dimethylpiperidinium) 105098-65-5 Hemicholinium 3 A-5 Piperidinium, 1,1'-((1,1'-biphenyl)-4,4'-diylbis(2-hydroxy-2,1-ethanediyl))bis(1,4-dimethyl-, diiodide