InChI=1S/C26H33N3O7/c1-36-26-21(31)10-7-19(25(26)35)8-12-24(34)28-15-3-2-13-27-14-4-16-29-23(33)11-6-18-5-9-20(30)22(32)17-18/h5-12,17,27,30-32,35H,2-4,13-16H2,1H3,(H,28,34)(H,29,33)/b11-6+,12-8?