InChI=1S/C21H35N3O8S/c1-2-3-4-8-17(16(26)7-5-6-11-25)33-13-15(20(30)23-12-19(28)29)24-18(27)10-9-14(22)21(31)32/h5-6,11,14-17,26H,2-4,7-10,12-13,22H2,1H3,(H,23,30)(H,24,27)(H,28,29)(H,31,32)/b6-5+