InChI=1/C21H21ClN4O/c1-14-7-4-5-8-16(14)21(27)23-15-10-11-18(22)17(13-15)20-25-24-19-9-3-2-6-12-26(19)20/h4-5,7-8,10-11,13H,2-3,6,9,12H2,1H3,(H,23,27)/f/h23H 2B5FAE26E1790587