4-Amino-3-hydroxy-5-methoxy-2-(trifluoromethoxy)pyridine
2-Iodo-5-(trifluoromethoxy)pyridine-3-sulfonyl chloride
Ethyl 4-chloro-2-(difluoromethyl)-3-hydroxypyridine-5-carboxylate
2-(Difluoromethyl)-6-fluoro-5-nitropyridine-3-sulfonyl chloride
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