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