6-Amino-2-hydroxy-4-(trifluoromethoxy)pyridine-3-acetonitrile
4,6-Dihydroxy-2-methoxy-3-(trifluoromethoxy)pyridine
2-Amino-6-hydroxy-3-(trifluoromethoxy)pyridine-4-acetonitrile
6-Amino-3-hydroxy-4-(trifluoromethoxy)pyridine-2-acetonitrile
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