Tyk2-IN-9 is a potent,selective and specific inhibitor of JAK kinases, inhibits Tyk2, JAK1 and JAK2 with IC50 values of 6 nM, 21nM and 6nM, respectively. Tyk2-IN-9, example 19, is extracted from patent US2017240552A1[1].
[1]. Matthew Frank Brown, et al. Pyrazolo[1,5-a]pyrazin-4-yl derivatives. Patent US20170240552A1
















