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