InChI=1/C28H30N2O4/c1-4-18-9-11-19(12-10-18)23-17-24(22-7-6-8-25(26(22)31)34-5-2)30-27(29-23)20-13-15-21(16-14-20)28(32)33-3/h6-16,24,27,30-31H,4-5,17H2,1-3H3/t24-,27-/m1/s1 22D19A1EB273F5D9