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