InChI=1S/C14H20N2O8S/c1-23-12-7-9(6-11(17)14(12)19)2-3-13(18)16-8-10(4-5-15)24-25(20,21)22/h2-3,6-7,10,17,19H,4-5,8,15H2,1H3,(H,16,18)(H,20,21,22)