3-Methyl-5-nitro-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
2-(Bromomethyl)-3-methoxy-6-(trifluoromethoxy)pyridine-5-carboxylic acid
3-Methyl-4-nitro-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
2-(Bromomethyl)-3-methoxy-5-(trifluoromethoxy)pyridine-4-carboxylic acid