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