4H-Pyrimido[1,2-a]pyrimidin-4-one, 2-chloro-1,6,7,8-tetrahydro-8-(trifluoromethyl)-, (8R)-
(8R)-2-Chloro-1,6,7,8-tetrahydro-8-(trifluoromethyl)-4H-pyrimido[1,2-a]pyrimidin-4-one
(-)-(R)-2-Chloro-8-trifluoromethyl-6,7,8,9-tetrahydropyrimido[1,2-a]pyrimidin-4-one
(R)-2-Chloro-8-(trifluoromethyl)-6,7,8,9-tetrahydro-4H-pyrimido[1,2-a]pyrimidin-4-one