2-Nitro-5-(trifluoromethoxy)pyridine-4-carboxaldehyde
3,4-Dihydroxy-5-(trifluoromethoxy)pyridine-2-acetic acid
2-Nitro-4-(trifluoromethoxy)pyridine-5-carboxaldehyde
3,4-Dihydroxy-2-(trifluoromethoxy)pyridine-5-acetic acid
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