InChI=1/C20H19N5O/c26-12-16(11-15-7-3-1-4-8-15)24-19-18-20(22-13-21-19)25(14-23-18)17-9-5-2-6-10-17/h1-10,13-14,16,26H,11-12H2,(H,21,22,24)/t16-/m1/s1/f/h24H 62C2E63CEA132C02