InChI=1/C20H23ClN4O3/c21-18-6-2-15(3-7-18)13-23-8-1-9-24(11-10-23)14-17-5-4-16(20(22)26)12-19(17)25(27)28/h2-7,12H,1,8-11,13-14H2,(H2,22,26)/p+1/fC20H24ClN4O3/h23H,22H2/q+1 4A5BA43FF6EA4E6E