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