InChI=1/C23H26N2O3/c26-21(24-22-18-10-15-9-16(12-18)13-19(22)11-15)14-28-23(27)17-3-5-20(6-4-17)25-7-1-2-8-25/h1-8,15-16,18-19,22H,9-14H2,(H,24,26)/f/h24H 913981AB2D1127B6