(7R,7aS)-2-(3-chloro-4-cyano-2-methylphenyl)-7-hydroxytetrahydro-2H-pyrrolo(1,2-e)imidazole-1,3-dione
(7r,7as)-2-(3-chloro-4-cyano-2-methylphenyl)-7-hydroxytetrahydro-2h-pyrrolo(1,2-e)imidazole-1,3-dione