Fig. 5From: Silica/APTPOSS anchored on MnFe2O4 as an efficient nanomagnetic composite for the preparation of spiro-pyrano [2, 3-c] chromene derivativesFourier transform-infrared (FT‐IR) spectra of (a) ClPOSS, (b) MnFe2O4, (c) APTPOSS and (d) MnFe2O4@SiO2/APTPOSSBack to article page