Pyridinium

4-[[(4-methoxyphenyl)methylhydrazono]methyl]-1-methylpyridinium chloride

Pyridinium, 1-(2-mercaptoethyl)-2,6-dimethyl-, methanesulfonate (salt)

Pyridinium, 4-cyano-, dicyanomethylide

Pyridinium, 1,1'-(1,4-butanediyl)bis[4-(1,1-dimethylethyl)-, dibromide

pyridinium, 1-[2-oxo-2-(2-thienyl)ethyl]-

4-(Aminocarbonyl)-1-methylpyridiniumsalt

Pyridinium, 1-[5-(3-amino-2-cyano-3-oxo-1-propenyl)-2-furanyl]-,bromide

Pyridinium, 3-(aminocarbonyl)-1-ethoxy-, perchlorate

4,4'-Bipyridinium, 1-[7-(dihexadecylamino)-7-oxoheptyl]-1'-ethyl-,dibromide

Pyridinium, 1,1'-methylenebis[4-(dimethylamino)-, diiodide,monohydrate

Pyridinium, 1-(4-bromobutyl)-4-[2-(3-ethoxy-4-hydroxyphenyl)ethenyl]-,bromide

Pyridinium,1-[2,3-bis[[2-methyl-2-[(2-nitrophenyl)dithio]propyl]amino]propyl]-3-[[(1,1-dimethylethyl)(phenylmethyl)amino]carbonyl]-, chloride

Pyridinium, chloromethylide

1-{2-[4-(methylsulfonyl)phenyl]-2-oxoethyl}-4-pentylpyridinium

Pyridinium, 1-methyl-2-[(phenylmethyl)thio]-, bromide

Pyridinium, 1-phenoxy-

Pyridinium, 1,2,4-triphenyl-6-[(phenylamino)carbonyl]-,tetrafluoroborate(1-)

Pyridinium, 4-methyl-, 2,4-dioxo-4-(phenylamino)butylide

Pyridinium, 1-[(3-phenoxyphenyl)methyl]-, bromide

4-tert-butyl-1-[({4-[(oxoammonio)methylidene]pyridin-1(4H)-yl}methoxy)methyl]pyridinium dichloride

2-fluoro-1-methylpyridinium fractogel

Pyridinium, 2,5-bis(methoxycarbonyl)-1-methyl-, iodide

Pyridinium, 3-carboxy-1-methyl-

3-carbamoyl-1-[(pyridinium-1-ylmethoxy)methyl]pyridinium dichloride

1-[4-[[3-(Acetylamino)-4-[(3,6,8-trisulfo-2-naphthalenyl)azo]phenyl]amino]-6-[[4-[(4-sulfophenyl)azo]phenyl]amino]-1,3,5-triazin-2-yl]-3-carboxy-pyridinium, hydroxide, potassium sodium salt

Pyridinium,3,3'-[1,7-heptanediylbis(oxy)]bis[2-[(hydroxyimino)methyl]-1-methyl-,diiodide

Pyridinium, 1-(2-aminoethyl)-3-[(2S)-1-methyl-2-pyrrolidinyl]-, chloride

Pyridinium, 1-methyl-2,4,6-triphenyl-, perchlorate

(4S,6R,7S)-7-{[(2E)-2-(2-amino-1,3-thiazol-4-yl)-2-{[(2-carboxypropan-2-yl)oxy]imino}acetyl]amino}-4-methyl-3-{[(1-methylpyridinium-4-yl)sulfanyl]methyl}-8-oxo-5-oxa-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

1-propyl-4-{[4-({4-[(1-propylpyridinium-4-yl)amino]phenyl}carbamoyl)phenyl]amino}quinolinium

4,4'-Bipyridinium, 1-methyl-1'-nonyl-

Pyridinium, 1-[(5-methyl-6-oxo-6H-1,3,4-oxadiazin-2-yl)methyl]-

Pyridinium,1,1'-[[1,1'-biphenyl]-3,3'-diylbis(methylene)]bis[4-[(4-chlorophenyl)methylamino]-

Pyridinium, 1-(1-cyclohexylethyl)-3-ethyl-2-fluoro-6-methyl-,tetrafluoroborate(1-)

Pyridinium, 4-[(hydroxyimino)methyl]-1-(phenylmethyl)-, bromide

1-methyl-4-(thiophen-3-yl)pyridinium iodide