Methyl 3-methyl-4-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-2-carboxylate
Methyl 3-methyl-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-6-carboxylate
4-Methoxy-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
Methyl 2-methyl-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-5-carboxylate