Tert-Butyl 7-(2-Hydroxy-4-oxo-4H-pyrido[1,2-a]pyrimidin-7-yl)-4,7-diazaspiro[2.5]octane-4-carboxylate

This compound is a pharmaceutical intermediate featuring a diazaspirooctane core linked to a hydroxy-oxopyridopyrimidine ring system. It is primarily used as a building block in the synthesis of active pharmaceutical ingredients.