Methyl 6-(difluoromethyl)-4-methoxy-2-(trifluoromethyl)pyridine-3-carboxylate
Methyl 6-(difluoromethyl)-4-methoxy-3-(trifluoromethyl)pyridine-2-carboxylate
2-(Difluoromethyl)-3-methyl-4-nitropyridine-5-sulfonyl chloride
3-(Difluoromethyl)-6-methyl-2-nitropyridine-5-carbonyl chloride