Pyridinium

Pyridinium, 1,1'-(1,4-butanediyl)bis[2-(4-phenyl-1,3-butadienyl)-,dibromide

Pyridinium,4-[[1-(2,4-dichlorophenyl)-2-(3-methyl-1H-imidazolium-1-yl)ethyl]thio]-1-methyl-, dimethanesulfonate

Pyridinium,1-[5-amino-6-(aminocarbonyl)-2,3-dihydro-2-(4-methoxyphenyl)-3-oxo-4-pyridazinyl]-, chloride

Pyridinium, 1-benzoyl-

4-(di-1H-indol-3-ylmethyl)-1-[3-(trimethylammonio)propyl]pyridinium dibromide

3-(benzoylamino)-1-methylpyridinium