3-Amino-5-cyano-2-nitro-6-(trifluoromethoxy)pyridine
2-Amino-6-cyano-3-methoxy-4-(trifluoromethoxy)pyridine
6-Amino-2-cyano-3-nitro-4-(trifluoromethoxy)pyridine
4-Amino-5-cyano-3-methyl-2-(trifluoromethoxy)pyridine
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