InChI=1/C21H17ClN2O2/c22-17-9-3-14(4-10-17)1-2-15-5-11-18(12-6-15)24-21(26)19(13-23)20(25)16-7-8-16/h1-6,9-12,16,19H,7-8H2,(H,24,26)/b2-1+/t19-/m1/s1/f/h24H 7D82EE0FAB8C95C7