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