InChI=1/C28H28N2O2/c31-27(12-10-21-6-2-1-3-7-21)22-11-13-28-24(18-22)20-30(16-17-32-28)19-23-14-15-29-26-9-5-4-8-25(23)26/h1-9,11,13-15,18,27,31H,10,12,16-17,19-20H2/t27-/m1/s1 7518266ACFE381D3