5-Amino-4-hydroxy-2-iodo-3-(trifluoromethoxy)pyridine
4-Amino-3,6-difluoro-2-(trifluoromethoxy)pyridine
2,3-Dihydroxy-4-(difluoromethyl)-6-(trifluoromethoxy)pyridine
3-Amino-2,5-difluoro-4-(trifluoromethoxy)pyridine
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