2,6-Dihydroxy-4-(trifluoromethoxy)pyridine-3-carboxylic acid
3,6-Difluoro-2-(difluoromethyl)-5-(trifluoromethoxy)pyridine
2-Amino-5-bromo-3-(trifluoromethoxy)pyridine-4-carboxylic acid
3,6-Dihydroxy-2-(trifluoromethoxy)pyridine-5-carboxylic acid
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