4-(Difluoromethyl)-3-fluoro-2-hydroxypyridine-5-methanol
Ethyl 3-(aminomethyl)-4-hydroxy-5-(trifluoromethoxy)pyridine-2-acetate
Methyl 4-(difluoromethyl)-2-hydroxy-3-iodopyridine-5-carboxylate
Ethyl 3-bromo-2-iodo-6-(trifluoromethoxy)pyridine-4-carboxylate