4-Chloro-3-(difluoromethyl)-6-methylpyridine-2-carboxaldehyde
Ethyl 3-amino-5-cyanoisonicotinate
2-Bromo-3-(difluoromethyl)-5-methoxypyridine-4-sulfonyl chloride
Ethyl 3-fluoro-6-methyl-2-(trifluoromethoxy)pyridine-4-carboxylate
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