InChI=1S/C28H42N4O9/c1-4-7-14-38-18-21(40-25(29)35)16-31-23(33)28(6-3,20-12-10-9-11-13-20)24(34)32(27(31)37)17-22(41-26(30)36)19-39-15-8-5-2/h9-13,21-22H,4-8,14-19H2,1-3H3,(H2,29,35)(H2,30,36)