InChI=1S/C26H35N3O7/c1-36-24-16-19(4-8-22(24)32)6-10-26(35)29-14-11-20(30)17-27-12-2-13-28-25(34)9-5-18-3-7-21(31)23(33)15-18/h3-5,7-9,15-16,20,27,30-33H,2,6,10-14,17H2,1H3,(H,28,34)(H,29,35)/b9-5+