4-(Difluoromethyl)-2-nitro-3-(trifluoromethoxy)pyridine-6-sulfonamide
6-(Bromomethyl)-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-sulfonyl chloride
Methyl 6-(aminomethyl)-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-2-acetate
Methyl 2-(aminomethyl)-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-5-acetate