InChI=1/C14H17ClN2O4S/c1-2-3-4-7-22(20,21)11-6-5-9(15)8-10(11)12-13(18)17-14(19)16-12/h5-6,8,12H,2-4,7H2,1H3,(H2,16,17,18,19)/t12-/m1/s1/f/h16-17H BEE9CA3E7F3C272F