. 2020 Dec 1;12(12):1169. doi: 10.3390/pharmaceutics12121169
© 2020 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 6.
The release of CPT from CPT-S-S-PTX.