Ethyl 3-chloro-2-(chloromethyl)-5-(trifluoromethoxy)pyridine-6-acetate
2-(3-Bromo-4-nitropyridin-5-yl)-2-hydroxyacetic acid
5-(Difluoromethyl)-2-nitro-3-(trifluoromethyl)pyridine-4-sulfonyl chloride
5-Amino-2-cyano-4-(difluoromethyl)pyridine-3-carboxaldehyde