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New Research: Green Synthesis of New Category of Pyrano[3,2-c]Chromene-Diones Catalyzed by Nanocomposite as Fe3O4@SiO2-Propyl Covalented Dapsone-Copper Complex: Nanomagnetic dapsone-Cu supported on the silica-coated Fe3O4… https://t.co/GcrU5VTW89 #chemistr