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