Methyl 5-chloro-2-(difluoromethyl)-4-hydroxypyridine-3-carboxylate
2-Bromo-6-(bromomethyl)-3-(difluoromethyl)pyridine-5-carboxylic acid
2-Bromo-5-(bromomethyl)-6-(difluoromethyl)pyridine-3-carboxylic acid
Methyl 5-chloro-2-(difluoromethyl)-3-hydroxypyridine-4-carboxylate