InChI=1S/C20H27N3O8S/c1-9(2)11-6-14(24)10(3)18(17(11)28)32-8-13(19(29)22-7-16(26)27)23-15(25)5-4-12(21)20(30)31/h6,9,12-13H,4-5,7-8,21H2,1-3H3,(H,22,29)(H,23,25)(H,26,27)(H,30,31)