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