4-Cyano-3-nitro-5-(trifluoromethoxy)pyridine-2-acetonitrile
3-(Difluoromethyl)-4-fluoro-2-(trifluoromethoxy)pyridine-5-methanol
3-Cyano-6-nitro-4-(trifluoromethoxy)pyridine-2-acetic acid
4-Cyano-6-nitro-2-(trifluoromethoxy)pyridine-3-acetonitrile
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