InChI=1/C21H29N3O4/c1-2-3-13-28-20(26)15-6-8-17(9-7-15)22-19(25)16-5-4-12-24(14-16)21(27)23-18-10-11-18/h6-9,16,18H,2-5,10-14H2,1H3,(H,22,25)(H,23,27)/t16-/m0/s1/f/h22-23H B0AE86445A45EDBA