Fig. 4From: Silica/APTPOSS anchored on MnFe2O4 as an efficient nanomagnetic composite for the preparation of spiro-pyrano [2, 3-c] chromene derivativesThe X-ray diffraction patterns of (a) APTPOSS, (b) MnFe2O4 and (c) MnFe2O4@SiO2/APTPOSSBack to article page
