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