InChI=1/C10H11ClN2O6S/c11-6-2-1-5(3-8(6)20(12,18)19)9(15)13-7(4-14)10(16)17/h1-3,7,14H,4H2,(H,13,15)(H,16,17)(H2,12,18,19)/p-1/t7-/m0/s1/fC10H10ClN2O6S/h13H,12H2/q-1 3E5A5F18E5672774