AQUEOUS PREPARATION OF 9-METHYL-3-(1H-TETRAZOL-5-YL)- 4H-PYRIDO [1,2-A]PYRIMIDIN-4-ONE POTASSIUM SALT

摘要

AQUEOUS PREPARATION OF 9-METHYL-3-(1H-TETRAZOL-5-YL) 4H-PYRIDO¢1,2-a!PYRIMIDIN-4-ONE POTASSIUM SALT An aqueous preparation for the treatment of allergic diseases comprising 9-methyl-3-(1H-tetrazol-5-yl)-4H-pyrido-¢1,2-a!pyrimidin-4-one potassium salt, dibasic potassium phosphate and monobasic potassium phosphate. The aqueous preparation has no local irritation and physicochemical stability during long-term storage.