InChI=1S/C26H35N3O7/c1-36-24-15-19(5-9-22(24)32)7-10-25(34)28-13-3-2-12-27-16-20(30)17-29-26(35)11-6-18-4-8-21(31)23(33)14-18/h4-6,8-9,11,14-15,20,27,30-33H,2-3,7,10,12-13,16-17H2,1H3,(H,28,34)(H,29,35)/b11-6+