Exploring 6142. To explore a different substance…

Ethyl 5-acetyl-7-fluoro-4,5-dihydroimidazo[1,5-a]quinoxaline-3-carboxylate
 6142  C15H14FN3O3  303.288
 InChI=1S/C15H14FN3O3/c1-3-22-15(21)14-13-7-18(9(2)20)12-6-10(16)4-5-11(12)19(13)8-17-14/h4-6,8H,3,7H2,1-2H3
 HSKAMECCMJGNSZ-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 CCOC(=O)c1ncn2c1CN(C(=O)C)c1c2ccc(c1)F