InChI=1/C31H30N2O4/c34-30(35)29(17-7-8-19-32-28-18-9-11-21-10-1-2-12-22(21)28)33-31(36)37-20-27-25-15-5-3-13-23(25)24-14-4-6-16-26(24)27/h1-6,9-16,18,27,29,32H,7-8,17,19-20H2,(H,33,36)(H,34,35)/p-1/t29-/m0/s1/fC31H29N2O4/h33H/q-1 9BDA8C6316DF9C26