InChI=1S/C19H28N2O9S/c1-19(2,12-30-31(27,28)29)8-9-20-14(11-16(22)23)17(24)21-15(18(25)26)10-13-6-4-3-5-7-13/h3-7,14-15,20H,8-12H2,1-2H3,(H,21,24)(H,22,23)(H,25,26)(H,27,28,29)