InChI=1S/C23H27N3O8S/c1-15-19(34-15)9-7-5-3-2-4-6-8-16(27)13-35-14-18(22(31)25-12-21(29)30)26-20(28)11-10-17(24)23(32)33/h6,8,15-19,27H,10-14,24H2,1H3,(H,25,31)(H,26,28)(H,29,30)(H,32,33)/b8-6+