2,4-Dimethoxy-5-(trifluoromethoxy)pyridine-3-sulfonyl chloride
3,4-Difluoro-5-(trifluoromethoxy)pyridine-2-sulfonyl chloride
6-Amino-4-bromo-2-fluoro-3-(trifluoromethoxy)pyridine
3,4-Difluoro-2-(trifluoromethoxy)pyridine-5-sulfonyl chloride
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