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