2-Bromo-5-(difluoromethyl)-3-fluoropyridine-6-carboxaldehyde
2-Fluoro-4-iodo-5-methoxy-3-(trifluoromethoxy)pyridine
Methyl 2-(aminomethyl)-3-(difluoromethyl)-6-hydroxypyridine-5-carboxylate
6-Fluoro-4-hydroxy-2-(trifluoromethoxy)pyridine-3-carboxaldehyde