InChI=1S/C25H33N3O6/c29-20-8-4-18(16-22(20)31)6-10-24(33)27-14-2-1-12-26-13-3-15-28-25(34)11-7-19-5-9-21(30)23(32)17-19/h4-5,7-9,11,16-17,26,29-32H,1-3,6,10,12-15H2,(H,27,33)(H,28,34)/b11-7+