InChI=1/C26H28N2O3/c29-23(17-20-12-6-2-7-13-20)24-25(30)22(16-19-10-4-1-5-11-19)28(26(31)27-24)18-21-14-8-3-9-15-21/h1-15,22-25,29-30H,16-18H2,(H,27,31)/t22-,23+,24-,25+/m1/s1/f/h27H CE92D71D40896199