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