Ethyl 5-chloro-2-(2,3-dichlorophenyl)isonicotinate
6-Chloro-2-(pyridin-4-yl)pyridine-3-acetonitrile
Methyl 5-fluoro-2-nitro-4-(trifluoromethoxy)pyridine-3-acetate
Methyl 4-cyano-3-nitro-5-(trifluoromethoxy)pyridine-2-acetate
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