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