2-Bromo-3-(bromomethyl)-4-(difluoromethyl)-5-hydroxypyridine
5-(Difluoromethyl)-2-hydroxy-3-methoxy-4-nitropyridine
5-Cyano-2-iodo-4-(trifluoromethoxy)pyridine-3-carboxamide
Ethyl 3-amino-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-2-carboxylate