InChI=1/C20H19N5O3/c21-9-10-28-15-7-5-14(6-8-15)24-19(26)18(25-20(22)27)11-13-12-23-17-4-2-1-3-16(13)17/h1-8,12,18,23H,10-11H2,(H,24,26)(H3,22,25,27)/t18-/m1/s1/f/h24-25H,22H2 E2CE92167BD2A53D