Methyl 2-bromo-5-(fluoromethyl)-6-(trifluoromethoxy)pyridine-3-carboxylate
5-Amino-3-(difluoromethyl)-4-iodo-2-nitropyridine
3-Cyano-6-(difluoromethyl)-4-hydroxypyridine-2-sulfonyl chloride
3-Cyano-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-carboxylic acid