. 2018 Mar 8;23(3):616. doi: 10.3390/molecules23030616
© 2018 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/).
Scheme 1.
Synthesis of flavokawain B derivatives 1–23.