InChI=1/C21H20ClNO3S/c22-17-3-1-2-16(12-17)18(24)13-23-11-10-14-4-6-15(7-5-14)19-8-9-20(27-19)21(25)26/h1-9,12,18,23-24H,10-11,13H2,(H,25,26)/t18-/m0/s1/f/h23H D553C1391A6C47A5