ALK2-IN-2 is a potent and selective inhibitor of activin receptor-like kinase 2 (ALK2) with an IC50 of 9 nM, and over 700-fold selectivity against ALK3.
ALK-IN-6 (compound 11) is an orally bioavailable inhibitor of anaplastic lymphoma kinase (ALK), with IC50 values of 71 nM, 18.72 nM and 36.81 nM for ALK wild, ALK F1196M and ALK F1174L, respectively.
F-1 is a potent ALK and ROS1 dual inhibitor, suppresses phospho-ALK and its relative downstream signaling pathways, with IC50s of 2.1 nM, 2.3 nM, 1.3 nM and 3.9 nM for ALKWT, ROS1WT, ALKL1196M and ALKG1202R, respectively.