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