InChI=1S/C29H38N2O4/c1-3-18-16(2)14-22-20(18)10-11-21-19-6-4-8-26(33)30-13-5-7-24-28(34)27(29(35)31-24)25(32)12-9-17(19)15-23(21)22/h4,8-12,16-24,32H,3,5-7,13-15H2,1-2H3,(H,30,33)(H,31,35)/b8-4-,12-9+,27-25-/t16-,17-,18-,19+,20+,21-,22+,23+,24+/m1/s1