4-(Difluoromethyl)-3-nitro-5-(trifluoromethyl)pyridine-2-sulfonyl chloride
2,3-Dichloro-4-(trifluoromethoxy)pyridine-5-carboxamide
5-Fluoro-4-(trifluoromethoxy)pyridine-2-sulfonyl chloride
6-Amino-2-bromo-4-(chloromethyl)-3-(trifluoromethoxy)pyridine