InChI=1S/C26H33N3O7/c1-35-22-16-18(7-9-20(22)31)24-25(36-24)26(34)29-13-3-2-11-27-12-4-14-28-23(33)10-6-17-5-8-19(30)21(32)15-17/h5-10,15-16,24-25,27,30-32H,2-4,11-14H2,1H3,(H,28,33)(H,29,34)/b10-6+