2-Iodo-4-nitro-3-(trifluoromethoxy)pyridine-6-carboxylic acid
5-(Bromomethyl)-3-(difluoromethyl)pyridine-2-acetic acid
Ethyl 2-chloro-4-nitro-5-(trifluoromethoxy)pyridine-3-carboxylate
2-Mercapto-6-methylnicotinonitrile
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