InChI=1/C28H28N2O4/c1-32-24-15-19(16-25(33-2)28(24)34-3)27-26-22(29-20-11-7-8-12-21(20)30-27)13-18(14-23(26)31)17-9-5-4-6-10-17/h4-12,15-16,18,27,29-30H,13-14H2,1-3H3/t18-,27-/m1/s1 8C5E51BC248C27D1