Ethyl 3-(fluoromethyl)-4-methyl-5-(trifluoromethoxy)pyridine-2-carboxylate
3-(Aminomethyl)-2-cyano-6-(difluoromethyl)pyridine-5-methanol
6-Chloro-2-(difluoromethyl)-3-hydroxypyridine-4-carboxaldehyde
4,5-Diamino-3-hydroxy-2-(trifluoromethoxy)pyridine