3-Bromo-6-(chloromethyl)-2-(difluoromethyl)-4-(trifluoromethyl)pyridine
3-Hydroxy-2-methyl-5-(trifluoromethoxy)pyridine-6-sulfonyl chloride
Methyl 2-cyano-4-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-3-carboxylate
4-Amino-2-(difluoromethyl)-3-methylpyridine-6-acetic acid