InChI=1S/C19H31N3O9S4/c1-2-6-33-34-7-3-8-35(30,31)12-13(10-23)32-11-15(18(27)21-9-17(25)26)22-16(24)5-4-14(20)19(28)29/h2-3,7,13-15,23H,1,4-6,8-12,20H2,(H,21,27)(H,22,24)(H,25,26)(H,28,29)/b7-3-