3,10-dibromo-6-methyl-6H-benzo[5,6][1,3]oxazino[3,4-a]indole

1-(10-bromo-6-methyl-6H-benzo[5,6][1,3]oxazino[3,4-a]indol-3-yl)-2-chloroethan-1-one

3-(2-(10-bromo-6-methyl-6H-benzo[5,6][1,3]oxazino[3,4-a]indol-3-yl)-2-oxoethyl) 2-(tert-butyl) (1R,3S,4S)-2-azabicyclo[2.2.1]heptane-2,3-dicarboxylate

tert-butyl (1R,3S,4S)-3-(5-(10-bromo-6-methyl-6H-benzo[5,6][1,3]oxazino[3,4-a]indol-3-yl)-1H-imidazol-2-yl)-2-azabicyclo[2.2.1]heptane-2-carboxylate

tert-butyl (1R,3S,4S)-3-(5-(6-methyl-10-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-6H-benzo[5,6][1,3]oxazino[3,4-a]indol-3-yl)-1H-imidazol-2-yl)-2-azabicyclo[2.2.1]heptane-2-carboxylate