125055-76-7 4H-Pyrido(1,2-a)pyrimidine-3-carboxamide, 6-methyl-4-oxo-N-propyl-, methanesulfonate (1:1) 6-Methyl-4-oxo-N-propyl-4H-pyrido(1,2-a)pyrimidine-3-carboxamide methanesulfonate (1:1)