InChI=1S/C23H27N3O8S/c1-2-3-4-5-6-7-8-9-18-21(34-18)17(27)14-35-13-16(22(31)25-12-20(29)30)26-19(28)11-10-15(24)23(32)33/h2-3,15-18,21,27H,10-14,24H2,1H3,(H,25,31)(H,26,28)(H,29,30)(H,32,33)/b3-2-