InChI=1/C20H19N3O2/c1-13-4-3-5-15-16(11-22-19(13)15)20(23-9-8-21-12-23)14-6-7-18(25-2)17(24)10-14/h3-12,20,22,24H,1-2H3/t20-/m0/s1 032BCEB336A05C26