InChI=1S/C26H35N3O7/c1-36-24-16-19(7-9-21(24)31)22(32)17-26(35)29-13-3-2-11-27-12-4-14-28-25(34)10-6-18-5-8-20(30)23(33)15-18/h5-10,15-16,22,27,30-33H,2-4,11-14,17H2,1H3,(H,28,34)(H,29,35)/b10-6+