3-Amino-4-bromo-2-nitro-5-(trifluoromethoxy)pyridine
2-Amino-5-(fluoromethyl)-6-hydroxy-3-(trifluoromethoxy)pyridine
4-Bromo-3,6-diiodo-2-(trifluoromethoxy)pyridine
2-Amino-5-(fluoromethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine
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