InChI=1/C21H27ClN4O2/c1-3-26(4-2)19(17-7-5-6-8-18(17)22)15-25-20(27)11-14-24-21(28)16-9-12-23-13-10-16/h5-10,12-13,19H,3-4,11,14-15H2,1-2H3,(H,24,28)(H,25,27)/t19-/m0/s1/f/h24-25H 54619238194D1DE8