Nalidixic Acid Neomycin Sulfate Niacin Nicotinamide Niclosamide Nifursol Nikethamide Nitrofurantoin Nitrofurazone Nitroxynil Norfloxacin Nystatin Olaquindox Paracetamol |
Phenolphthalein Phenylalanine Phenylbutazone Phenylsalicyclate (salol) Phthalylsulfathiazole Piperazine Adipate Piperazine Citrate Potassium Sulfoguaiacolate Praziquantel Prednisolone Procaine Promethazine Propyl Thiouracil Propyphenazone Pyrantel Pamoate Pyrazinamide Pyridoxal – 5 – Phosphate Pyrimethamine Pyroglutamic Acid
Quinine Sulfate Riboflavine – 5 – Phosphate Sodium |