Methyl 4-(chloromethyl)-2-(difluoromethyl)-5-methoxypyridine-3-acetate
Methyl 4-(difluoromethyl)-2-methyl-6-nitropyridine-3-acetate
2-(Difluoromethyl)-6-methyl-4-nitropyridine-3-sulfonyl chloride
Methyl 2-(difluoromethyl)-5-methyl-3-nitropyridine-6-acetate