. 2021 Dec 14;10(12):3100. doi: 10.3390/foods10123100
© 2021 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 5.
Schematic structure of the steroid skeleton.