. 2016 Dec 8;2016:5012341. doi: 10.1155/2016/5012341
Copyright © 2016 I. A. Abdoulaye and Y. J. Guo.
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 1.
Various structures of NBP and its derivatives.