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