(8S)-1,6,7,8-Tetrahydro-2-[(3R)-3-methyl-4-morpholinyl]-8-(trifluoromethyl)-4H-pyrimido[1,2-a]pyrimidin-4-one

(8S)-1,6,7,8-Tetrahydro-2-[(3R)-3-methyl-4-morpholinyl]-8-(trifluoromethyl)-4H-pyrimido[1,2-a]pyrimidin-4-one