Cell-permeable. A potent inhibitor of cRAF1 kinase (IC₅₀ = 9 nM). Displays 100-fold selectivity for cRAF1 over CDK1, CDK2, c-src, ERK2, MEK, p38, Tie2, VEGFR2 and c-fm. Displays neuroprotective effects in vivo via a mechanism that is independent of MEK, ERK, and Akt signaling.