Methyl 4-bromo-5-hydroxy-2-(trifluoromethoxy)pyridine-3-carboxylate
4,5-Diamino-3-(difluoromethyl)-2-(trifluoromethyl)pyridine
2-Hydroxy-3-(trifluoromethoxy)pyridine-5-sulfonyl chloride
5-Iodo-4-methoxy-3-(trifluoromethoxy)pyridine-2-sulfonyl chloride