InChI=1/C33H40N2O4/c1-33(2,3)39-32(38)35-29(19-24-14-8-5-9-15-24)30(36)22-27(18-23-12-6-4-7-13-23)31(37)34-28-20-25-16-10-11-17-26(25)21-28/h4-17,27-30,36H,18-22H2,1-3H3,(H,34,37)(H,35,38)/t27-,29+,30+/m1/s1/f/h34-35H 9260838C4D5D41B8