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