1-((3-Butyrylpyridinio)methoxymethyl)-2-((hydroxyimino)methyl)pyridinium dichloride 3'-Butyryl-2-formyl-1,1'-(oxydimethylene)dipyridinium dichloride 2-oxime HGG 58 dichloride Pyridinium, 3'-butyryl-2-formyl-1,1'-(oxydimethylene)di-, dichloride, 2-oxime UU2745000