InChI=1/C20H20N4O8S/c1-14-2-4-15(5-3-14)10-11-33(30,31)21-12-19(26)32-13-18(25)22-23-20(27)16-6-8-17(9-7-16)24(28)29/h2-11,21H,12-13H2,1H3,(H,22,25)(H,23,27)/b11-10+/f/h22-23H BCCC824A8114A828