InChI=1/C29H38N2O4/c1-3-19-16-21-17-20-10-7-8-14-25(33)30-15-9-12-23-28(34)27(29(35)31-23)24(32)13-6-4-5-11-22(20)26(21)18(19)2/h4-8,10,13-14,18-23,26,32H,3,9,11-12,15-17H2,1-2H3,(H,30,33)(H,31,35)/b5-4+,10-7+,13-6+,14-8+,27-24-/t18-,19+,20-,21+,22+,23+,26+/s2