InChI=1/C21H20ClNO4S/c1-5-26-21(25)18-11(2)13(4)28-20(18)23-19(24)16-10-17(27-12(16)3)14-6-8-15(22)9-7-14/h6-10H,5H2,1-4H3,(H,23,24)/f/h23H 139BEC0C34210265