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