Ethyl 2,3-dibromo-6-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 3-amino-4-(chloromethyl)-2-(difluoromethyl)pyridine-5-acetate
4-Chloro-3-cyano-2-(difluoromethyl)-6-methylpyridine
3-Methoxy-5-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-2-acetic acid