Exploring 4395. To explore a different substance…

5-tert-Butyl 3-ethyl 4-methylimidazo[1,5-a]quinoline-3,5-dicarboxylate
 4395  C20H22N2O4  354.4
 InChI=1S/C20H22N2O4/c1-6-25-19(24)16-17-12(2)15(18(23)26-20(3,4)5)13-9-7-8-10-14(13)22(17)11-21-16/h7-11H,6H2,1-5H3
 SYRQLFBVPVQCAR-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 CCOC(=O)c1ncn2c1c(C)c(C(=O)OC(C)(C)C)c1c2cccc1