InChI=1/C21H29ClN4O2/c1-16-5-7-21(8-6-16)19(27)26(20(28)23-21)15-25-11-9-24(10-12-25)14-17-3-2-4-18(22)13-17/h2-4,13,16H,5-12,14-15H2,1H3,(H,23,28)/p+1/fC21H30ClN4O2/h23-24H/q+1 886672DEA1AC4485