InChI=1/C11H11ClN2O7S/c12-6-2-1-5(3-8(6)22(13,20)21)10(17)14-7(11(18)19)4-9(15)16/h1-3,7H,4H2,(H,14,17)(H,15,16)(H,18,19)(H2,13,20,21)/p-2/t7-/m0/s1/fC11H9ClN2O7S/h14H,13H2/q-2 3AB4ADB1B0808133