Ethyl 4-(difluoromethyl)-3-methyl-5-nitropyridine-2-carboxylate
Ethyl 4-(difluoromethyl)-3-methyl-2-nitropyridine-5-carboxylate
3-(Difluoromethyl)-4-methyl-2-nitropyridine-5-carbonyl chloride
3-(Difluoromethyl)-2-methyl-6-nitropyridine-5-carbonyl chloride