3-(Difluoromethyl)-2-fluoro-5-hydroxy-4-nitropyridine
5-(Chloromethyl)-2-(difluoromethyl)-3-fluoro-6-methoxypyridine
5-(Difluoromethyl)-3-fluoro-4-hydroxypyridine-2-sulfonamide
3-(Chloromethyl)-5-(difluoromethyl)-2-fluoro-6-methoxypyridine
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