2,2'-Dichloro-3,4'-bipyridine
3-Bromo-5-chloro-7-methyl-1H-pyrrolo[3,2-b]pyridine
Methyl 3-bromoimidazo[1,2-a]pyridine-6-carboxylate
2,5-Dichloro-6-methyl-3-nitropyridine
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