1,1'-Trimethylenebis(pyridinium bromide) 1,3-Bis(pyridinyl)-propane 14208-07-2 G.L. 103 NSC 36749 P.M. 360 Pyridinium, 1,1'-(1,3-propanediyl)bis-, dibromide (9CI) Pyridinium, 1,1'-trimethylenebis-, dibromide