2-Nitro-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-5-carboxylic acid
4-Amino-2-(difluoromethyl)-5-methoxypyridine-3-carboxaldehyde
5-Amino-2-(aminomethyl)-3-(trifluoromethoxy)pyridine-4-carboxylic acid
3-Chloro-2-hydroxy-6-(trifluoromethoxy)pyridine-5-carboxylic acid