6-(5-(tert-butyl)thiophen-2-yl)-1-fluoro-3,10-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-6H-benzo[5,6][1,3]oxazino[3,4-a]indole

2-(5-(3,10-dibromo-1-fluoro-6H-benzo[5,6][1,3]oxazino[3,4-a]indol-6-yl)thiophen-2-yl)ethyl acetate

2-(5-(3,10-dibromo-1-fluoro-6H-benzo[5,6][1,3]oxazino[3,4-a]indol-6-yl)thiophen-2-yl)ethan-1-ol

3,10-dibromo-1-fluoro-6-(5-(2-methoxyethyl)thiophen-2-yl)-6H-benzo[5,6][1,3]oxazino[3,4-a]indole