Methyl 4-(difluoromethyl)-6-methoxy-3-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 4-(difluoromethyl)-2-methoxy-3-(trifluoromethoxy)pyridine-5-carboxylate
Ethyl 4-(difluoromethyl)-2-nitro-3-(trifluoromethoxy)pyridine-5-carboxylate
3-(Difluoromethyl)-2-methoxy-6-(trifluoromethoxy)pyridine-5-methanol