InChI=1S/C20H30N2O9S/c1-20(2,13-31-32(27,28)29)9-10-21-15(12-17(23)24)18(25)22-16(19(26)30-3)11-14-7-5-4-6-8-14/h4-8,15-16,21H,9-13H2,1-3H3,(H,22,25)(H,23,24)(H,27,28,29)