InChI=1/C31H30N2O4/c34-26-15-7-13-24(20-26)32-28(18-17-22-9-3-1-4-10-22)30(36)29(19-23-11-5-2-6-12-23)33(31(32)37)25-14-8-16-27(35)21-25/h1-16,20-21,28-30,34-36H,17-19H2/t28-,29-,30-/m1/s1 EF6BE055A7F0B97E