Fig. 11. Chemical structures of small molecule inhibitors of Bcl-2 family proteins: UMI-77 (66), 4-((6-nitroquinolin-4-yl)amino)-N-(4-(pyridin-4-ylamino)phenyl)benzamide (67), 2,3,4,6-tetrahydroxy-5H-benzoannulen-5-one (68), TW-37 (69) and ABT737 (70).