2-Cyano-3-nitro-4-(trifluoromethoxy)pyridine-6-acetonitrile
2-Cyano-5-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-acetonitrile
Methyl 4-cyano-5-nitro-3-(trifluoromethoxy)pyridine-2-acetate
4-Cyano-3-nitro-2-(trifluoromethoxy)pyridine-5-methanol
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