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9-bromo-4-hydroxy-7-methylpyrido[1,2-a]pyrimidin-2-one 9-Bromo-2-hydroxy-7-methyl-pyrido[1,2-a]pyrimidin-4-one 9-bromo-2-hydroxy-7-methyl-4H-pyrido[1,2-a]pyrimidin-4-one 4H-Pyrido[1,2-a]pyrimidin-4-one, 9-bromo-2-hydroxy-7-methyl- 9-broMo-2-hydroxy-7-Methyl-4H-pyrido[1,2-a]pyriMidin-4-one (Hydrochloride) 4H-Pyrido[1,2-a]pyrimidin-4-one, 9-bromo-2-hydroxy-7-methyl- ISO 9001：2015 REACH