4-Fluoro-2-iodo-5-(methylthio)pyridine
4-Amino-2-(bromomethyl)-3-(difluoromethyl)-5-fluoropyridine
6-Amino-2-chloro-4-(difluoromethyl)-3-methoxypyridine
3-(Difluoromethyl)-5-nitro-4-(trifluoromethyl)pyridine-2-sulfonyl chloride
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