3-Bromo-5-(difluoromethyl)-2,6-diiodopyridine
2-Bromomethyl-3-chloro-6-(pyridin-4-yl)pyridine
2-Amino-3-cyano-5-(difluoromethyl)-4-methoxypyridine
6-Chloro-3-cyano-2-iodo-4-(trifluoromethoxy)pyridine
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