Exploring Ro-16-3774. To explore a different substance…

Ro-16-3774
tert-Butyl 8-methyl-9-oxo-11,12,13,13a-tetrahydro-9H-imidazo[1,5-a]pyrrolo[2,1-c][1,4]benzodiazepine-1-carboxylate
 11720  C20H23N3O3  353.415
 Aryldiazepine
 InChI=1S/C20H23N3O3/c1-12-7-5-8-13-15(12)18(24)22-10-6-9-14(22)17-16(21-11-23(13)17)19(25)26-20(2,3)4/h5,7-8,11,14H,6,9-10H2,1-4H3
 KWYPSUSXIWCZBB-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 O=C(c1ncn2c1C1CCCN1C(=O)c1c2cccc1C)OC(C)(C)C