InChI=1/C33H34N2O4/c36-31(23-29(21-25-13-5-1-6-14-25)34-32(37)28-19-11-4-12-20-28)30(22-26-15-7-2-8-16-26)35-33(38)39-24-27-17-9-3-10-18-27/h1-20,29-31,36H,21-24H2,(H,34,37)(H,35,38)/t29-,30-,31-/m0/s1/f/h34-35H E3841A78EC99C269