4-Iodo-3-nitro-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
5-(Difluoromethyl)-4-nitro-3-(trifluoromethoxy)pyridine-2-sulfonyl chloride
4-Fluoro-6-methoxy-3-(trifluoromethoxy)pyridine-2-carboxaldehyde
6-Bromo-4-(fluoromethyl)-3-(trifluoromethoxy)pyridine-2-carboxylic acid