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