5-(Difluoromethyl)-4-fluoro-2-hydroxypyridine-3-sulfonyl chloride
Ethyl 3-bromo-5-(difluoromethyl)-4-nitropyridine-2-acetate
2-Fluoro-4-(trifluoromethoxy)pyridine-6-sulfonyl chloride
4-Bromo-3-ethyl-2-nitropyridine
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