Bohai University Institute of Superfine Chemicals
7-nitro-3-carboxycoumarin
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8-bromo-6-nitro-3-carboxycoumarin
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6-chloro-8-nitro-3-carboxycoumarin
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6-bromo-3-carboxycoumarin
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6-chloro-3-carboxycoumarin
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6-methyl-3-carboxycoumarin
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2-oxo-1,2-dihydroquinoline-3-carboxylic acid
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4-hydroxyquinolin-2(1H)-one
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4-hydroxy-6-methylquinolin-2(1H)-one
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6-bromo-4-hydroxy-quinolin-2(1H)-one
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4-hydroxy-6-methoxyquinolin-2(1H)-one
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