InChI=1/C21H23ClN4O3/c1-26(2)13-16(19(27)14-6-4-3-5-7-14)12-24-20(28)21(29)25-17-8-9-18(22)15(10-17)11-23/h3-10,16,19,27H,12-13H2,1-2H3,(H,24,28)(H,25,29)/p+1/t16-,19-/m0/s1/fC21H24ClN4O3/h24-26H/q+1 4DF94884AB0D53FF