2,3-Diiodo-4-nitro-6-(trifluoromethoxy)pyridine
4-Amino-5-(difluoromethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine
5-Bromo-3,4-dihydroxy-2-(trifluoromethoxy)pyridine
2-Bromo-3,4-dihydroxy-5-(trifluoromethoxy)pyridine
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