3-Carboxy-7-(diethylamino)coumarin;7-(Diethylamino)-3-(carboxy)coumarin;7-Diethylaminocoumarin-3-carboxylic acid;Coumarin D 1421;D 1421;7-(diethylamino)-2-oxo-2H-chromene-3-carboxylic acid;2H-1-Benzopyran-3-carboxylic acid, 7-(diethylamino)-2-oxo-;7-(Diethylamino)coumarin-3-carboxylic acid;7-Diethylamino-2-oxo-2H-chromene-3-carboxylic acid;
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