InChI=1/C14H13ClN2O4S/c15-10-3-4-11-9(8-10)2-1-7-17(11)14(18)12-5-6-13(21-12)22(16,19)20/h3-6,8H,1-2,7H2,(H2,16,19,20)/f/h16H2 32B34C04358A1D0B