. 2019 Jul 12;11(7):1176. doi: 10.3390/polym11071176
© 2019 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 7.
Strategies for lignin-based polymer synthesis.