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A novel coumarin derivative[7-diethylamino-2-oxo-2H-chromene-3-carboxylic acid(6-amino-pyridin-2-yl)-amide, CFe1] has been synthesized and its potential application as a chemosensor for the detection of metal ions has been further investigated. The responses of CFe1 to Fe3+ were studied by fluorescence emission spectrometry in the presence of other metal ions such as Al3+, Ba2+, Ca2+, Co3+, Cr3+,...
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