InChI=1S/C29H31N3O7/c1-3-4-9-16-30-26(34)23(31-18(2)33)17-19-14-15-25(21-11-6-5-10-20(19)21)32(27(35)29(38)39)24-13-8-7-12-22(24)28(36)37/h5-8,10-15,23H,3-4,9,16-17H2,1-2H3,(H,30,34)(H,31,33)(H,36,37)(H,38,39)/t23-/m0/s1