. 2016 Mar;23(10):1062–1081. doi: 10.2174/0929867323666160304150522
© 2016 Bentham Science Publishers
This is an open access article licensed under the terms of the Creative Commons Attribution-Non-Commercial 4.0 International Public License (CC BY-NC 4.0) (https://creativecommons.org/licenses/by-nc/4.0/legalcode), which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.
Fig. (9).
Chemical structures of EPIs 18 and 19.