4-Chloro-2-(difluoromethyl)-3-hydroxypyridine-5-carboxamide
2-Cyano-3-(difluoromethyl)-4-methoxypyridine-5-sulfonamide
4-Amino-2-(difluoromethyl)-6-nitropyridine-3-acetic acid
Ethyl 5-(difluoromethyl)-3-hydroxy-2-nitropyridine-4-carboxylate
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