3-Cyano-4-(difluoromethyl)-2-hydroxy-6-methylpyridine
2-(Chloromethyl)-5-cyano-3-(difluoromethyl)-4-hydroxypyridine
Methyl 2-(difluoromethyl)-4-hydroxy-3-iodopyridine-5-acetate
Methyl 2-(difluoromethyl)-3-hydroxy-5-iodopyridine-6-acetate
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