InChI=1S/C25H33N3O5/c29-21-8-2-19(3-9-21)6-12-24(32)27-16-1-15-26-17-14-23(31)18-28-25(33)13-7-20-4-10-22(30)11-5-20/h2-6,8-12,23,26,29-31H,1,7,13-18H2,(H,27,32)(H,28,33)/b12-6+