Methyl 4-(difluoromethyl)-6-methoxy-3-(trifluoromethoxy)pyridine-2-acetate
Methyl 2-(difluoromethyl)-3-methoxy-5-(trifluoromethoxy)pyridine-6-carboxylate
Methyl 4-(difluoromethyl)-2-methoxy-3-(trifluoromethoxy)pyridine-5-acetate
3-(Difluoromethyl)-6-methoxy-4-(trifluoromethoxy)pyridine-2-carboxylic acid