InChI=1/C27H34N2O3/c30-24(16-20-9-5-2-6-10-20)25-26(31)23(15-19-7-3-1-4-8-19)28(17-21-11-12-21)27(32)29(25)18-22-13-14-22/h1-10,21-26,30-31H,11-18H2/t23-,24+,25-,26+/m1/s1 3BDAF2B9F1987C6E