4-Methoxy-2-nitro-3-(trifluoromethoxy)pyridine-5-carboxaldehyde
2-(Difluoromethyl)-6-iodo-3-(trifluoromethoxy)pyridine-4-carboxylic acid
Methyl 2-(bromomethyl)-5-methoxy-6-(trifluoromethoxy)pyridine-3-carboxylate
5-Methoxy-3-nitro-4-(trifluoromethoxy)pyridine-2-carboxaldehyde