3-Cyano-4,6-dimethoxy-2-(trifluoromethoxy)pyridine
2-Amino-4-chloro-3-cyano-5-(trifluoromethoxy)pyridine
3-Cyano-2,4-dimethoxy-6-(trifluoromethoxy)pyridine
2-Amino-3-chloro-6-cyano-4-(trifluoromethoxy)pyridine
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