4-Fluoro-3-nitro-2-(trifluoromethoxy)pyridine-6-carboxaldehyde
2-Amino-5-iodo-3-(trifluoromethoxy)pyridine-6-carboxaldehyde
3-Amino-2-(difluoromethyl)-6-methylpyridine-5-acetonitrile
4-Bromo-6-(bromomethyl)-2-cyano-3-(difluoromethyl)pyridine
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