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