InChI=1S/C20H30N2O9S/c1-20(2,3)10-11-21-14(12-15(23)24)18(25)22-16(19(26)30-4)17(31-32(27,28)29)13-8-6-5-7-9-13/h5-9,14,16-17,21H,10-12H2,1-4H3,(H,22,25)(H,23,24)(H,27,28,29)