InChI=1S/C33H36N2O6/c36-29(37)21-35-28-13-4-2-9-24(28)16-17-27(30(35)38)34-32(41)33(18-5-6-19-33)20-25(31(39)40)15-14-23-11-7-10-22-8-1-3-12-26(22)23/h1-4,7-13,25,27H,5-6,14-21H2,(H,34,41)(H,36,37)(H,39,40)/t25-,27+/m1/s1