InChI=1/C21H16Cl2N2O3S/c1-21(10-12-4-2-3-5-16(12)18(26)28-21)19(27)25-20-24-11-15(29-20)9-13-8-14(22)6-7-17(13)23/h2-8,11H,9-10H2,1H3,(H,24,25,27)/t21-/m1/s1/f/h25H 94EE2D18D86DDC44