2-(Difluoromethyl)-5-methoxy-6-(trifluoromethoxy)pyridine-3-carboxaldehyde
2-(Difluoromethyl)-3-methoxy-6-(trifluoromethoxy)pyridine-5-carboxaldehyde
5-Methyl-2-nitro-4-(trifluoromethoxy)pyridine-3-acetic acid
4-Methyl-3-nitro-5-(trifluoromethoxy)pyridine-2-acetic acid