Methyl 4-(difluoromethyl)-2-methoxy-3-(trifluoromethyl)pyridine-6-acetate
Methyl 3-(difluoromethyl)-4-methoxy-5-(trifluoromethyl)pyridine-2-carboxylate
Methyl 5-(difluoromethyl)-3-methoxy-2-(trifluoromethyl)pyridine-4-acetate
Methyl 3-(difluoromethyl)-4-methoxy-2-(trifluoromethyl)pyridine-5-carboxylate