4-Amino-2-(difluoromethyl)pyridine-5-sulfonamide
Methyl 6-(bromomethyl)-4-(difluoromethyl)-3-fluoropyridine-2-acetate
2-Hydroxy-3-methyl-6-(trifluoromethoxy)pyridine-4-sulfonyl chloride
Methyl 2-bromo-3-methoxy-4-(trifluoromethoxy)pyridine-5-carboxylate