InChI=1/C21H34N2O5/c1-25-18-11-10-16(19(26-2)20(18)27-3)12-14-23-21(24)22-13-7-15-28-17-8-5-4-6-9-17/h10-11,17H,4-9,12-15H2,1-3H3,(H2,22,23,24)/f/h22-23H 4F34DD9FB0E55C2E