5-Methyl-2-nitro-4-(trifluoromethoxy)pyridine-3-acetic acid
4-Methyl-3-nitro-5-(trifluoromethoxy)pyridine-2-acetic acid
4-Methyl-6-nitro-2-(trifluoromethoxy)pyridine-3-acetic acid
2-Methyl-5-nitro-6-(trifluoromethoxy)pyridine-3-acetic acid
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