1,1'-Pentamethylenebis(3-carbamoylpyridinium bromide) 19293-86-8 G.L. 205 Pyridinium, 1,1'-(1,5-pentanediyl)bis(3-(aminocarbonyl)-, dibromide (9CI) Pyridinium, 1,1'-pentamethylenebis(3-carbamoyl-, dibromide