. 2021 Feb 25;36(1):693–706. doi: 10.1080/14756366.2021.1890726
© 2021 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 16.
Tetracyclic compounds published by AbbVie.