Ethyl 6-(difluoromethyl)-2-hydroxy-3-nitropyridine-4-acetate
Ethyl 6-(difluoromethyl)-4-hydroxy-2-nitropyridine-3-acetate
2-(Chloromethyl)-4-(difluoromethyl)-3-hydroxy-6-methylpyridine
3-(Difluoromethyl)-2-hydroxy-6-nitropyridine-4-sulfonyl chloride
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