InChI=1S/C28H35NO5/c1-16-6-5-7-21-14-18(3)19(4)25-23(15-20-9-11-22(30)12-10-20)29-27(33)28(21,25)34-24(31)13-8-17(2)26(16)32/h5,7-14,16-17,19,21,23,25-26,30,32H,6,15H2,1-4H3,(H,29,33)/b7-5+,13-8+/t16-,17+,19+,21-,23-,25-,26?,28+/m0/s1