2-(5-(10-chloro-1-fluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-6H-benzo[5,6][1,3]oxazino[3,4-a]indol-6-yl)thiazol-2-yl)propan-2-ol

tert-butyl (2S)-2-(5-(1-fluoro-6-(2-(2-hydroxypropan-2-yl)thiazol-5-yl)-3-(2-((S)-1-((methoxycarbonyl)-L-valyl)pyrrolidin-2-yl)-1H-imidazol-5-yl)-6H-benzo[5,6][1,3]oxazino[3,4-a]indol-10-yl)-1H-imidazol-2-yl)pyrrolidine-1-carboxylate

2-(5-(3-bromo-10-chloro-1-fluoro-12,12a-dihydro-6H-benzo[5,6][1,3]oxazino[3,4-a]indol-6-yl)thiazol-2-yl)propan-2-ol