InChI=1/C20H16ClN2O4S/c1-27-19-11-4-6-14(20(19)24)13-22-15-7-5-8-16(12-15)28(25,26)23-18-10-3-2-9-17(18)21/h2-13H,1H3,(H,22,24)/q-1/f/h24H 6C8AAB2913715C90