Solid forms of 3-((1r,3r)-1-(2,6-difluoro-4-((1-(3fluoropropyl)azetidin-3-yl)amino)phenyl)-3-methyl-1,3,4,9tetrahydro-2h-pyrido[3,4-b]indol-2-yl)-2,2-difluoropropan-1-ol and processes for preparing fused tricyclic compounds comprising a substituted phe

Abstract

Provided herein are solid forms, salts such as compound B, and formulations of 3((1R,3R)-1-(2,6-difluoro-4-((1-(3-fluoropropyl)azetidin-3-yl)amino)phenyl)-3-methyl1,3,4,9-tetrahydro-2H-pyrido[3,4-b]indol-2-yl)-2,2-difluoropropan-1-ol, processes and synthesis thereof, and methods of their use in the treatment of cancer.