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