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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Characterization of SP11. (A) Structure of SP11. (B) Infrared spectroscopy data of SP11 (%T-Transmittance). (C) 1HNMR data of SP11. (D) 13CNMR spectra of SP11. (E) LCMS spectra of SP11.