1,1'-(4,4'-Biphenylenebis(2-oxoethylene))bis(2-methylpyridinium) dibromide 2-Picolinium, 1,1'-(4,4'-biphenylylenebis(2-oxoethylene))di-, dibromide 2-Picolinium, 1,1'-(4,4'-biphenylylenebis(2-oxoethylene))di-, dibromide (8CI) 2-Picolinium, 1,1'-(p',p'-biphenylylenebis(carbonylmethyl))di-, dibromide 20275-19-8 NSC 152436 Pyridinium, 1,1'-((1,1'-biphenyl)-4,4'-diylbis(2-oxo-2,1-ethanediyl))bis(2-methyl-, dibromide (9CI) Pyridinium, 1,1'-(4,4'-biphenylenebis(2-oxoethylene))bis(2-methyl-, dibromide