2-Amino-5-methoxy-6-(trifluoromethoxy)pyridine-3-sulfonyl chloride
4-Methoxy-2-(trifluoromethoxy)pyridine-6-sulfonyl chloride
2-Iodo-3-(trifluoromethoxy)pyridine-4-sulfonyl chloride
6-(Difluoromethyl)-3-methoxypyridine-2-sulfonyl chloride
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