Fig. 1From: Green synthesis of spiro[indoline-3,4′-pyrano[2,3-c]pyrazoles] using Fe3O4@l-arginine as a robust and reusable catalystSynthesis of spiro[indoline-3,4′-pyrano[2,3-c]pyrazoles] using Fe3O4@l-arginine nanocomposite under solvent-free conditionsBack to article page