5-Bromo-4-chloro-1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridine-2-carboxylic acid
3-Benzyl-6-chloro-4,5-dimethylpyridazine
3-Chloro-6-iodo-4,5-dimethylpyridazine
2-Tert-butyl-4-chloropyridine
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