4-(Aminomethyl)-5-bromo-3-nitro-2-(trifluoromethoxy)pyridine
3-(Bromomethyl)-4-(difluoromethyl)pyridine-5-carbonyl chloride
Methyl 3-hydroxy-4-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-2-carboxylate
4-Bromo-6-(difluoromethyl)-2-fluoropyridine-3-sulfonyl chloride