InChI=1S/C26H31N3O4/c1-6-24(2,3)26(14-17-22(31)29-13-7-8-18(29)21(30)27-17)16-9-10-19-15(20(16)28-23(26)32)11-12-25(4,5)33-19/h6,9-12,17-18H,1,7-8,13-14H2,2-5H3,(H,27,30)(H,28,32)/t17-,18-,26+/m0/s1