BENZYL 7-(2-(2,8-DIMETHYLIMIDAZO(1,2-B)PYRIDAZIN-6-YL)-4-OXOPYRIDO(1,2-A)PYRIMIDIN-7-YL)-4,7-DIAZASPIRO(2.5)OCTANE-4-CARBOXYLATE
benzyl 7-(2-(2,8-dimethylimidazo(1,2-b)pyridazin-6-yl)-4-oxopyrido(1,2-a)pyrimidin-7-yl)-4,7-diazaspiro(2.5)octane-4-carboxylate