Ethyl 5-(difluoromethyl)-3-iodopyridine-2-acetate
Ethyl 6-amino-5-cyanonicotinate
2-(Difluoromethyl)-3-nitro-5-(trifluoromethyl)pyridine-4-sulfonyl chloride
Ethyl 5-chloro-3-(difluoromethyl)-4-methoxypyridine-2-carboxylate
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