InChI=1S/C20H27N3O9S/c1-20(2)14(18(27)28)23-16(33-20)13(19(29)32-8-9(21)17(25)26)22-15(24)12-10(30-3)6-5-7-11(12)31-4/h5-7,9,13-14,16,23H,8,21H2,1-4H3,(H,22,24)(H,25,26)(H,27,28)/p-2/t9-,13-,14-,16+/m0/s1