Methyl 4-(difluoromethyl)-2-nitro-5-(trifluoromethoxy)pyridine-3-carboxylate
4-(Difluoromethyl)-6-methoxy-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
Methyl 2-(fluoromethyl)-5-methoxy-3-(trifluoromethoxy)pyridine-4-acetate
Methyl 5-(difluoromethyl)-3-nitro-2-(trifluoromethoxy)pyridine-4-carboxylate