InChI=1/C18H24N2O6S/c1-25-15-10-14(11-16(12-15)26-2)17(21)19-7-4-13(5-8-19)18(22)20-6-3-9-27(20,23)24/h10-13H,3-9H2,1-2H3 7887B99D42B9E840