(S)-N-(2-chloro-6-methylphenyl)-2-(3-methyl-1-piperazinyl)imidazo- (1,5-a)pyrido(3,2-e)pyrazin-6-amine
(s)-n-(2-chloro-6-methylphenyl)-2-(3-methyl-1-piperazinyl)imidazo- (1,5-a)pyrido(3,2-e)pyrazin-6-amine