Methyl 6-methyl-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-2-carboxylate
Methyl 2-methyl-5-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-6-carboxylate
4-Methyl-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-3-carboxylic acid
4-Methyl-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-carboxylic acid