2-(Difluoromethyl)-6-hydroxy-3-iodopyridine-5-carboxylic acid
2-Bromo-5-(bromomethyl)-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine
2-Amino-4-(bromomethyl)-3-iodo-5-(trifluoromethoxy)pyridine
3-(Bromomethyl)-2-methoxy-5-(trifluoromethoxy)-4-(trifluoromethyl)pyridine