2,4-Dihydroxy-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
4,6-Dimethyl-3-fluoro-2-(trifluoromethoxy)pyridine
6-Mercapto-3-(2,4,6-trichlorophenyl)-2-(trifluoromethyl)pyridine
4-Bromo-2-(difluoromethyl)-3-iodo-6-methoxypyridine
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