2-Bromo-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-5-acetonitrile
4-Chloro-2-hydroxypyridine-6-acetic acid
2-Iodo-4-methoxy-5-(trifluoromethoxy)pyridine-3-carbonyl chloride
Ethyl 2-amino-4-(fluoromethyl)-5-(trifluoromethoxy)pyridine-3-carboxylate