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