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2-(4-Pyridyl)-4-trifluoromethylimidazole

Penicillin V potassium salt

2-(2-Pyridyl)-4-trifluoromethylimidazole

Penicillin V Benzathine

2-Pyridyl tribromomethyl sulfone

Penicillin G sodium salt

(4-Pyridylthio)acetic acid

N-(4-Pyridyl)pyridinium chloride hydrochloride