InChI=1S/C28H37NO4/c1-25(2,32)21-12-14-28(24(30)31)20-10-9-16-15-18-17-7-5-6-8-19(17)29-23(18)27(16,4)26(20,3)13-11-22(28)33-21/h5-8,16,20-22,29,32H,9-15H2,1-4H3,(H,30,31)/t16-,20+,21-,22-,26-,27+,28+/m0/s1