2-(5-Bromo-4-nitropyridin-2-yl)-2-hydroxyacetic acid
4-Bromo-2-nitropyridine-6-acrylic acid
2-(5-Bromo-2-nitropyridin-4-yl)-2-hydroxyacetic acid
2-(4-Bromo-5-nitropyridin-2-yl)-2-hydroxyacetic acid
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