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