. 2018 Feb 13;23(2):408. doi: 10.3390/molecules23020408
© 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.
Synthetic route to the polymers P1, P2 and P3.