1 8NU 3-[2-[4-(6-fluoranyl-1,2-benzoxazol-3-yl)piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydropyrido[1,2-a]pyrimidin-4-one 1.000 2 K4I (9~{R})-3-[2-[4-(6-fluoranyl-1,2-benzoxazol-3-yl)piperidin-1-yl]ethyl]-2-methyl-9-oxidanyl-6,7,8,9-tetrahydropyrido[1,2-a]pyrimidin-4-one 0.968