4-(Difluoromethyl)-3-iodo-2-(trifluoromethoxy)pyridine-6-carboxylic acid
2-Iodo-3-nitro-5-(trifluoromethoxy)pyridine-6-sulfonyl chloride
2-Iodo-3-nitro-4-(trifluoromethoxy)pyridine-5-sulfonyl chloride
3-Iodo-6-nitro-4-(trifluoromethoxy)pyridine-2-carbonyl chloride