5-Chloro-3-nitro-2-(3-(trifluoromethoxy)phenyl)pyridine
6-Bromo-2-(difluoromethyl)-3-nitropyridine-4-acetic acid
6-Chloro-2-iodopyridine-3-sulfonyl chloride
2-Mercapto-5-(2,3,4-trichlorophenyl)-3-(trifluoromethyl)pyridine
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