InChI=1S/C25H31N3O5/c29-21-9-4-19(5-10-21)8-13-24(32)27-17-3-15-26-14-1-2-16-28-25(33)23(31)18-20-6-11-22(30)12-7-20/h4-13,18,26,29-31H,1-3,14-17H2,(H,27,32)(H,28,33)/b13-8+,23-18-