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