InChI=1/C21H23ClN4O3/c22-19-15-18(26(28)29)8-9-20(19)23-21(27)16-25-13-11-24(12-14-25)10-4-7-17-5-2-1-3-6-17/h1-9,15H,10-14,16H2,(H,23,27)/b7-4+/f/h23H 81AA542558DC39C2