3-Iodo-4-nitro-6-(trifluoromethoxy)pyridine-2-methanol
2-(Fluoromethyl)-4-iodo-3-(trifluoromethoxy)pyridine-6-carboxylic acid
3-Iodo-4-nitro-2-(trifluoromethoxy)pyridine-6-methanol
2-(Fluoromethyl)-3-iodo-6-(trifluoromethoxy)pyridine-4-carboxylic acid