InChI=1S/C20H35N3O8S/c1-12(8-9-24)4-6-15(25)20(2,3)32-11-14(18(29)22-10-17(27)28)23-16(26)7-5-13(21)19(30)31/h8,13-15,24-25H,4-7,9-11,21H2,1-3H3,(H,22,29)(H,23,26)(H,27,28)(H,30,31)/b12-8-