Exploring Premazepam. To explore a different substance…

Premazepam
6,7-Dimethyl-5-phenyl-3,7-dihydropyrrolo[3,4-e][1,4]diazepin-2(1H)-one
 3064  C15H15N3O  253.299
 Aryldiazepine
 InChI=1S/C15H15N3O/c1-10-14-12(9-18(10)2)17-13(19)8-16-15(14)11-6-4-3-5-7-11/h3-7,9H,8H2,1-2H3,(H,17,19)
 CNWSHOJSFGGNLC-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 O=C1CN=C(c2c(N1)cn(c2C)C)c1ccccc1