. 2017 Jan 26;2017:8589212. doi: 10.1155/2017/8589212
Copyright © 2017 Thanh Luan Nguyen et al.
This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 3.
1H NMR spectrum of Let.