InChI=1S/C26H29NO6S/c1-27(2)16-18-32-24-13-11-21(12-14-24)26(22-9-6-10-23(28)19-22)25(15-17-33-34(29,30)31)20-7-4-3-5-8-20/h3-14,19,28H,15-18H2,1-2H3,(H,29,30,31)/b26-25+