2-Methoxy-3-nitro-6-(trifluoromethoxy)pyridine-5-carboxaldehyde
5-(Bromomethyl)-4-(difluoromethyl)-2-iodo-3-(trifluoromethoxy)pyridine
4-(Difluoromethyl)-5-iodo-2-(trifluoromethoxy)pyridine-3-carboxylic acid
Ethyl 4-(difluoromethyl)-2-iodo-3-(trifluoromethoxy)pyridine-5-acetate