4-(Bromomethyl)-2-chloro-5-(difluoromethyl)pyridine-3-acetic acid
5-Amino-4-(difluoromethyl)-3-iodo-2-nitropyridine
3-(Aminomethyl)-5-bromo-2-(trifluoromethoxy)pyridine-6-carboxylic acid
4-Chloro-2-methyl-5-(trifluoromethoxy)pyridine-3-carboxylic acid