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