InChI=1/C20H19N5O/c1-14(15-7-4-3-5-8-15)23-20-22-13-16(12-21)19(25-20)24-17-9-6-10-18(11-17)26-2/h3-11,13-14H,1-2H3,(H2,22,23,24,25)/t14-/m1/s1/f/h23-24H 4C93D5FFCDD99CF7