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Home › Aqueous preparation of 9-methyl-3-(1H-tetrazol-5-yl)-4H-pyrido[1,2-a])pyrimidin-4-one potassium salt

Aqueous preparation of 9-methyl-3-(1H-tetrazol-5-yl)-4H-pyrido[1,2-a])pyrimidin-4-one potassium salt

US Patent 4977157 · Granted Dec 11, 1990

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