Ethyl 2-(difluoromethyl)-3-methoxy-6-(trifluoromethoxy)pyridine-4-acetate
Methyl 3-(difluoromethyl)-6-methoxy-2-(trifluoromethoxy)pyridine-5-acetate
2-(Difluoromethyl)-5-methyl-6-nitro-3-(trifluoromethoxy)pyridine
4-(Aminomethyl)-3-methyl-6-nitro-2-(trifluoromethoxy)pyridine