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