InChI=1S/C23H29ClN4O2S/c24-22-3-1-20(2-4-22)9-18-31(29,30)28-16-14-26(15-17-28)19-21-7-12-27(13-8-21)23-5-10-25-11-6-23/h1-6,9-11,18,21H,7-8,12-17,19H2/b18-9+