InChI=1/C11H13ClN2O4S/c1-11(2-3-19(17,18)6-11)14-9(15)7-4-8(12)10(16)13-5-7/h4-5H,2-3,6H2,1H3,(H,13,16)(H,14,15)/t11-/m0/s1/f/h13-14H A9B36273D8277FC1