InChI=1/C21H21ClN2O3/c1-24(2)15-9-6-13(7-10-15)16-11-8-14(12-19(16)22)23-20(25)17-4-3-5-18(17)21(26)27/h6-12H,3-5H2,1-2H3,(H,23,25)(H,26,27)/p-1/fC21H20ClN2O3/h23H/q-1 8CCA17DD7A635F15