InChI=1S/C39H42N4O7/c1-49-34-25-29(24-28-16-9-10-17-30(28)34)40-37(46)31(22-26-12-5-3-6-13-26)42-38(47)33-18-11-21-43(33)39(48)32(23-27-14-7-4-8-15-27)41-35(44)19-20-36(45)50-2/h3-10,12-17,24-25,31-33H,11,18-23H2,1-2H3,(H,40,46)(H,41,44)(H,42,47)/t31-,32-,33-/m0/s1