InChI=1/C21H23ClN4O/c22-19-4-1-3-18(15-19)20-21(17-5-7-23-8-6-17)26(16-24-20)10-2-9-25-11-13-27-14-12-25/h1,3-8,15-16H,2,9-14H2/p+1/fC21H24ClN4O/h25H/q+1 33460B4D4EBF03C7