InChI=1S/C33H44N2O6/c1-18-27(38)35-21-11-9-8-10-20(21)33(28(35)34-18)17-24-31(6,41-33)15-12-22-30(5)14-13-26(37)40-29(3,4)23(30)16-25(32(22,24)7)39-19(2)36/h8-11,18,22-25,28,34H,12-17H2,1-7H3/t18-,22+,23-,24+,25-,28-,30+,31-,32+,33-/m0/s1