Ethyl 4-bromo-5-(difluoromethyl)-3-methoxypyridine-2-carboxylate
2-Bromo-6-(difluoromethyl)-3-hydroxypyridine-4-sulfonamide
Ethyl 4-bromo-3-(difluoromethyl)-2-methoxypyridine-6-carboxylate
6-Bromo-3-(difluoromethyl)-2-hydroxypyridine-4-sulfonamide
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