3-(Chloromethyl)-2-(difluoromethyl)pyridine-5-carboxaldehyde
3-Amino-2-chloro-6-(trifluoromethoxy)pyridine-5-acetic acid
Ethyl 3-(difluoromethyl)-2-iodo-6-(trifluoromethyl)pyridine-4-acetate
5-Amino-3-fluoro-4-(trifluoromethoxy)pyridine-2-carboxylic acid