. 2015 Nov 10;20(11):20173–20185. doi: 10.3390/molecules201119683
© 2015 by the authors.
Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons by Attribution (CC-BY) license (http://creativecommons.org/licenses/by/4.0/).
Figure 1.
Structures of PcM and 2,3-NcM.