2,3-Dihydroxy-6-(trifluoromethoxy)pyridine-5-sulfonyl chloride
2-Chloro-5-iodo-6-methoxy-3-(trifluoromethoxy)pyridine
3-Iodo-6-(methylthio)-2-(trifluoromethyl)pyridine
6-(Difluoromethyl)-4-nitro-3-(trifluoromethyl)pyridine-2-sulfonyl chloride
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