InChI=1S/C19H31N3O8S/c1-2-3-4-12(24)9-13(7-8-23)31-11-15(18(28)21-10-17(26)27)22-16(25)6-5-14(20)19(29)30/h3-4,8,12-15,24H,2,5-7,9-11,20H2,1H3,(H,21,28)(H,22,25)(H,26,27)(H,29,30)/b4-3-