6-chloro-2-cyclohexyl-1'-(3-(dimethylamino)propyl)-2,3-dihydrospiro(4H-1-benzopyran-4,4'-imidazolidine)-2',5'-dione
6-chloro-2-cyclohexyl-1'-(3-(dimethylamino)propyl)-2,3-dihydrospiro(4h-1-benzopyran-4,4'-imidazolidine)-2',5'-dione