Methyl 2-methyl-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-6-carboxylate
3-Methyl-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-6-carboxylic acid
3-Methyl-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-carboxylic acid
6-Methyl-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-4-carboxylic acid