InChI=1S/C19H28N2O9S/c1-19(2,3)9-10-20-13(11-14(22)23)17(24)21-15(18(25)26)16(30-31(27,28)29)12-7-5-4-6-8-12/h4-8,13,15-16,20H,9-11H2,1-3H3,(H,21,24)(H,22,23)(H,25,26)(H,27,28,29)