InChI=1/C15H13ClN2O4S/c1-9(19)10-2-4-11(5-3-10)18-15(20)13-8-12(23(17,21)22)6-7-14(13)16/h2-8H,1H3,(H,18,20)(H2,17,21,22)/f/h18H,17H2 A7836754B6C477F6