InChI=1/C32H31NO4/c34-31(36-24-28-17-9-3-10-18-28)21-30(32(35)37-25-29-19-11-4-12-20-29)33(22-26-13-5-1-6-14-26)23-27-15-7-2-8-16-27/h1-20,30H,21-25H2/t30-/m0/s1 6629D20869BDB56B