| abstract |
(57) [Summary] (Corrected) [Constitution] The following formula [Wherein R ′ and R ″ are hydrogen or alkyl, R 1 and R 2 are aryl groups, one of which may be substituted, the other is hydrogen, halogen, etc., R 4 , R 5 , R 6 and R 7 Is a hydrogen, halogen, amino, etc., n is 0 or 1] compound which is responsive to the inhibition of some or all of the calcium channels in the central nervous system of animals including humans. Methods used to treat Efficacy, for example, can treat ischemia, anoxia, migraine and psychosis. |