InChI=1S/C19H31N3O8S/c20-14(19(29)30)6-7-16(25)22-15(18(28)21-11-17(26)27)12-31-13(8-10-24)5-3-1-2-4-9-23/h1-2,10,13-15,23H,3-9,11-12,20H2,(H,21,28)(H,22,25)(H,26,27)(H,29,30)/b2-1-