2-Methyl-3-nitro-6-(trifluoromethoxy)pyridine-4-sulfonamide
2-(Bromomethyl)-6-(difluoromethyl)-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
6-(Bromomethyl)-3-(difluoromethyl)-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
Ethyl 2-(difluoromethyl)-4-nitro-6-(trifluoromethoxy)pyridine-3-carboxylate