InChI=1S/C28H37NO5/c1-17-9-7-13-21(30)16-24(31)34-28-22(14-8-10-17)26(32)19(3)18(2)25(28)23(29-27(28)33)15-20-11-5-4-6-12-20/h4-6,8,11-12,14,17-18,21-23,25-26,30,32H,3,7,9-10,13,15-16H2,1-2H3,(H,29,33)/b14-8+