InChI=1S/C21H35N3O9S/c1-2-3-4-7-16(15(25)6-5-8-18(27)28)34-12-14(20(31)23-11-19(29)30)24-17(26)10-9-13(22)21(32)33/h5,8,13-16,25H,2-4,6-7,9-12,22H2,1H3,(H,23,31)(H,24,26)(H,27,28)(H,29,30)(H,32,33)/b8-5+