Ethyl 2-bromo-3-(difluoromethyl)-5-hydroxypyridine-4-carboxylate
Methyl 2-bromo-4-(difluoromethyl)-3-hydroxypyridine-5-carboxylate
5-Bromo-4-(difluoromethyl)-3-hydroxypyridine-2-carboxylic acid
2-Bromo-6-(difluoromethyl)-5-hydroxypyridine-3-carboxaldehyde