3-Methoxy-2-methyl-4-(trifluoromethoxy)pyridine-5-carboxylic acid
2-(Bromomethyl)-4-methoxy-5-nitro-3-(trifluoromethoxy)pyridine
6-Methoxy-2-methyl-4-(trifluoromethoxy)pyridine-3-carboxylic acid
2-(Bromomethyl)-3-methoxy-6-nitro-5-(trifluoromethoxy)pyridine