2-(Difluoromethyl)-6-nitro-5-(trifluoromethoxy)pyridine-3-sulfonamide
3-(Difluoromethyl)-6-nitro-2-(trifluoromethoxy)pyridine-5-sulfonyl chloride
Ethyl 3-(aminomethyl)-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-6-acetate
4-Nitro-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-2-carbonyl chloride