InChI=1/C28H24N2O4/c31-23-16-17-30-26-25(34-27(30)29-23)24(32)22(33-26)18-28(19-10-4-1-5-11-19,20-12-6-2-7-13-20)21-14-8-3-9-15-21/h1-17,22,24-26,32H,18H2/t22-,24-,25-,26-/m1/s1 E369FD73161CBB5F