8-Bromo-6-chloro-3-iodo-2-methylimidazo[1,2-b]pyridazine
8-Chloro-1,2,3,4-tetrahydropyrido[3,4-b]pyrazine
3-Bromo-2,6-dimethylimidazo[1,2-b]pyridazine
5,7-Dichloro-1-methyl-1H-imidazo[4,5-b]pyridine
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