2-Nitro-5-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-4-sulfonyl chloride
Ethyl 5-(bromomethyl)-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-acetate
2-Nitro-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-5-sulfonyl chloride
6-Nitro-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-2-sulfonyl chloride