124673-63-8 1H-Indazole, 5-chloro-3-(4-methyl-1-piperazinyl)-, monohydrochloride 5-Chlor-3-(N-methylpiperazino)-indazol monohydrochlorid [German] 5-Chloro-3-(4-methyl-1-piperazinyl)-1H-indazole monohydrochloride