Ethyl 3-bromo-5-cyano-4-(trifluoromethoxy)pyridine-2-carboxylate
6-Bromo-3-(difluoromethyl)-2-fluoropyridine-4-sulfonyl chloride
4-(Chloromethyl)-3-iodo-6-(trifluoromethoxy)pyridine-2-carboxylic acid
2-(Chloromethyl)-4-cyano-3-(difluoromethyl)-6-hydroxypyridine