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