. 2020 Sep 23;25(19):4368. doi: 10.3390/molecules25194368
© 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 12.
Guanine 1 and its oxidation product 2 [77].