InChI=1/C21H23N3O/c1-21(2)12-16-17(13-22)20(24-10-6-7-11-24)23-19(18(16)14-25-21)15-8-4-3-5-9-15/h3-5,8-9H,6-7,10-12,14H2,1-2H3 2C91F9266EB8DC1F