6-(3,5-dimethoxyphenyl)-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

6-(5-chlorothiophen-2-yl)-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

12-chloro-6-phenethyl-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

3,10-dibromo-12-chloro-6-(cyclopropylmethyl)-6H-benzo[5,6][1,3]oxazino[3,4-a]indole

3,10-dibromo-6-(3,5-dimethoxyphenyl)-12-fluoro-6H-benzo[5,6][1,3]oxazino[3,4-a]indole