4H-Pyrido[1,2-a]pyrimidin-4-one, 9-(acetyloxy)-3-[2-[4-(6-fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-methyl-
4H-Pyrido[1,2-a]pyrimidin-4-one, 9-(acetyloxy)-3-[2-[4-(6-fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-methyl-