InChI=1S/C25H27NO5S/c1-3-24(21-10-7-11-23(18-21)31-32(27,28)29)25(19-8-5-4-6-9-19)20-12-14-22(15-13-20)30-17-16-26-2/h4-15,18,26H,3,16-17H2,1-2H3,(H,27,28,29)/b25-24+