4-Amino-6-chloro-3-cyano-2-(trifluoromethoxy)pyridine
2-Amino-5-bromo-6-cyano-3-(trifluoromethoxy)pyridine
4-Amino-2-chloro-3-cyano-6-(trifluoromethoxy)pyridine
6-Amino-3-bromo-4-cyano-2-(trifluoromethoxy)pyridine
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