3,4-Dihydroxy-6-(trifluoromethoxy)pyridine-2-sulfonyl chloride
4,6-Dimethyl-2-(trifluoromethoxy)pyridine-3-acetic acid
2,6-Dihydroxy-3-(trifluoromethoxy)pyridine-5-sulfonyl chloride
2,4-Dimethyl-5-(trifluoromethoxy)pyridine-3-acetic acid
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