InChI=1S/C20H27N3O8S/c1-31-13-4-2-12(3-5-13)16(8-9-24)32-11-15(19(28)22-10-18(26)27)23-17(25)7-6-14(21)20(29)30/h2-5,9,14-16H,6-8,10-11,21H2,1H3,(H,22,28)(H,23,25)(H,26,27)(H,29,30)