4-Iodo-2-nitro-3-(trifluoromethoxy)pyridine-5-sulfonamide
6-Chloro-2-(difluoromethyl)-3-hydroxypyridine-4-methanol
3-Amino-4-iodo-2-(trifluoromethoxy)pyridine-6-carboxamide
5-Bromo-2-(methoxycarbonyl)pyridine 1-oxide
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