InChI=1/C20H19ClN2O5S/c21-15-4-7-17(8-5-15)29(27,28)20(10-1-2-11-20)19(24)22-12-9-14-3-6-16(23(25)26)13-18(14)22/h3-8,13H,1-2,9-12H2 19039AA167E2D245