5-Amino-3-bromo-2-nitro-4-(trifluoromethoxy)pyridine
3-Amino-5-bromo-4-nitro-2-(trifluoromethoxy)pyridine
3,4-Dichloro-2-iodo-6-(trifluoromethoxy)pyridine
6-Amino-3-bromo-4-chloro-2-(trifluoromethoxy)pyridine
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