116799-22-5 2-(2-Furanyl)pyrido(3,2-e)(1,2,4)triazolo(1,5-c)pyrimidin-5-amine monomethanesulfonate Cgs 20928A Pyrido(3,2-e)(1,2,4)triazolo(1,5-c)pyrimidin-5-amine, 2-(2-furanyl)-, monomethanesulfonate