3-Chloro-4-(difluoromethyl)-2-fluoropyridine-5-carboxylic acid
3-Chloro-2-(difluoromethyl)-6-fluoropyridine-4-carboxylic acid
Ethyl 5-chloro-2-(difluoromethyl)-4-fluoropyridine-3-carboxylate
Methyl 3-(aminomethyl)-6-bromo-2-(difluoromethyl)pyridine-4-carboxylate