InChI=1S/C26H35N3O6/c1-35-24-18-20(6-10-22(24)31)8-12-26(34)29-16-4-14-27-13-2-3-15-28-25(33)11-7-19-5-9-21(30)23(32)17-19/h5-6,8-10,12,17-18,27,30-32H,2-4,7,11,13-16H2,1H3,(H,28,33)(H,29,34)/b12-8+