Methyl 4-cyano-2-(difluoromethyl)-3-(trifluoromethyl)pyridine-5-acetate
3-(Difluoromethyl)-5-fluoro-6-hydroxypyridine-2-acetic acid
Methyl 4-(difluoromethyl)-2-fluoro-3-hydroxypyridine-5-acetate
3-(Difluoromethyl)-4-fluoro-2-hydroxy-6-nitropyridine
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