2-Chloro-5-(difluoromethyl)pyridine-3-sulfonamide
2-(Difluoromethyl)-3-fluoro-4-iodo-5-methoxypyridine
4,5-Diiodo-3-fluoro-2-(trifluoromethoxy)pyridine
Ethyl 2-chloro-5-cyanopyridine-3-acetate
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