4-Fluoro-5-iodo-3-(trifluoromethoxy)pyridine-2-carboxaldehyde
5-(2,6-Dichlorophenyl)-2-mercapto-3-(trifluoromethyl)pyridine
2-Bromo-6-(difluoromethyl)-4-hydroxypyridine-3-sulfonamide
2-(Bromomethyl)-4-hydroxy-5-(trifluoromethoxy)pyridine-3-carboxaldehyde