3-(Difluoromethyl)-2-methyl-6-nitropyridine-4-sulfonamide
4-(Difluoromethyl)-5-methyl-2-nitropyridine-3-carboxamide
Ethyl 4-(difluoromethyl)-5-methoxy-3-(trifluoromethyl)pyridine-2-carboxylate
3-(Difluoromethyl)-2-methyl-4-nitropyridine-5-sulfonamide