. 2023 Aug 27;28(17):6265. doi: 10.3390/molecules28176265
© 2023 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 (https://creativecommons.org/licenses/by/4.0/).
Figure 3.
Structure of two types of far-red fluorophores.