InChI=1/C21H20ClNO6S/c1-12(2)23-30(26,27)16-6-4-14(5-7-16)21(25)28-11-15-9-20(24)29-19-8-13(3)18(22)10-17(15)19/h4-10,12,23H,11H2,1-3H3 35567F15BA304D1F