. 2018 Sep 27;23(10):2476. doi: 10.3390/molecules23102476
© 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/).
Figure 1.
The structure of daphnetin and its analogues.