N-[5-chloro-6-(4-methylpiperazin-1-yl)-3-nitropyrazin-2-yl]acetamide

N-(4-methylpiperazin-1-yl)sulfamoyl chloride

1-[(4-methylpiperazin-1-yl)methyl]-5-nitroindazole

3-chloro-1-[(4-methylpiperazin-1-yl)methyl]-5-nitroindazole

3-chloro-4-(4-methylpiperazin-1-yl)-6-phenylpyridazine