InChI=1/C33H40N2O6/c1-33(2,3)41-32(40)34-26(19-22-14-8-5-9-15-22)27(36)20-23(18-21-12-6-4-7-13-21)31(39)35-28-24-16-10-11-17-25(24)29(37)30(28)38/h4-17,23,26-30,36-38H,18-20H2,1-3H3,(H,34,40)(H,35,39)/t23-,26+,27+,28-,29-,30+/m1/s1/f/h34-35H 2614E2811496166D