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