tert-Butyl 3-(7-chloro-8-fluoro-5-methoxy-2-(methylthio)pyrido[4,3-d]pyrimidin-4-yl)-3,8-diazabicyclo[3.2.1]octane-8-carboxylate 250mg

tert-Butyl 3-(7-chloro-8-fluoro-5-methoxy-2-(methylthio)pyrido[4,3-d]pyrimidin-4-yl)-3,8-diazabicyclo[3.2.1]octane-8-carboxylate 250mg