2-Hydroxy-5-methoxy-3-(trifluoromethoxy)pyridine-6-acetic acid
2-Hydroxy-3-methoxy-4-(trifluoromethoxy)pyridine-6-acetic acid
3-Fluoro-4-nitro-2-(trifluoromethoxy)pyridine-6-acetonitrile
3-Fluoro-2-nitro-6-(trifluoromethoxy)pyridine-4-acetonitrile
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