Ethyl 2-(chloromethyl)-4-(difluoromethyl)pyridine-5-acetate
Methyl 4-(difluoromethyl)-5-(trifluoromethyl)pyridine-2-acetate
2-(Difluoromethyl)-6-(trifluoromethyl)pyridine-4-sulfonamide
3,4-Dichloro-5-(difluoromethyl)-2-nitropyridine
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