1-fluoro-6-(2-neopentylthiazol-5-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

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

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