InChI=1S/C26H29NO5S/c1-4-25(20-8-6-5-7-9-20)26(22-12-16-24(17-13-22)32-33(28,29)30)21-10-14-23(15-11-21)31-19-18-27(2)3/h5-17H,4,18-19H2,1-3H3,(H,28,29,30)/b26-25-