InChI=1S/C13H16N2O8S/c14-7-3-8(16)10-12(18)5-1-2-9(23-24(20,21)22)11(17)6(5)4-15(10)13(7)19/h1-2,7-8,10,12,16-18H,3-4,14H2,(H,20,21,22)