. 2019 May 7;24(9):1760. doi: 10.3390/molecules24091760
© 2019 by the authors.
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 (http://creativecommons.org/licenses/by/4.0/).
Figure 1.
1H-NMR spectra for Ms1~9 at 7.28–9.2 ppm.