InChI=1/C27H34N2O3/c30-27(23-13-11-21(12-14-23)20-7-3-1-4-8-20)19-26(22-9-5-2-6-10-22)28-24-15-17-25(18-16-24)29(31)32/h11-18,20,22,26,28H,1-10,19H2/t26-/m1/s1 DFFE0BEB9E62E8E8