3-((1R,3R)-1-(3,5-difluoro-2-(2-((3-fluoropropyl)amino)ethoxy)pyridin-4-yl)-6-fluoro-3-methyl-3,4-dihydro-1H-pyrido[3,4-b]indol-2(9H)-yl)-2,2-difluoropropan-1-ol