InChI=1/C16H13ClN2O3S/c1-9-2-5-11(6-3-9)23(21,22)15-12-8-10(17)4-7-13(12)19-14(15)16(18)20/h2-8,19H,1H3,(H2,18,20)/f/h18H2 E87232E6BF5BF0AD