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