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