Exploring Bretazenil. To explore a different substance…

Bretazenil
tert-Butyl (13aS)-8-bromo-9-oxo-11,12,13,13a-tetrahydro-9H-imidazo[1,5-a]pyrrolo[2,1-c][1,4]benzodiazepine-1-carboxylate
 3059  C19H20BrN3O3  418.284
 Aryldiazepine
 InChI=1S/C19H20BrN3O3/c1-19(2,3)26-18(25)15-16-13-8-5-9-22(13)17(24)14-11(20)6-4-7-12(14)23(16)10-21-15/h4,6-7,10,13H,5,8-9H2,1-3H3/t13-/m0/s1
 LWUDDYHYYNNIQI-ZDUSSCGKSA-N This stereoisomer Any stereoisomer
 O=C(c1ncn2c1[C@@H]1CCCN1C(=O)c1c2cccc1Br)OC(C)(C)C