6-(Difluoromethyl)-4-iodo-3-(trifluoromethoxy)pyridine-2-carboxylic acid
2-Amino-4-(difluoromethyl)-6-nitropyridine-3-carboxaldehyde
3-(Bromomethyl)-5-chloro-4-(difluoromethyl)-2-nitropyridine
3-Bromo-4-iodo-2-(trifluoromethoxy)pyridine-5-acetic acid