Fig. 1
From: Arresting kinase suppressor of Ras in an inactive state
![Fig. 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40880-017-0181-z/MediaObjects/40880_2017_181_Fig1_HTML.gif)
Chemical structure of APS-1-68-2, a quinazoline heterocycle with attached biphenyl ether group [14]. (This figure is republished with permission from both the Nature Publishing Group and Dr. Arvin Dar)