InChI=1/C21H21ClN4O2/c22-18-5-3-16(4-6-18)20-13-21(24-23-20)17-9-11-25(12-10-17)14-15-1-7-19(8-2-15)26(27)28/h1-8,13,17H,9-12,14H2,(H,23,24)/f/h24H B9ADB4BDBF12BF84