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