InChI=1/C23H19ClN2O3/c1-14-6-9-16(10-7-14)29-21-11-8-15(24)12-20(21)26-23(28)18-13-22(27)25-19-5-3-2-4-17(18)19/h2-12,18H,13H2,1H3,(H,25,27)(H,26,28)/t18-/m1/s1/f/h25-26H 065F7B94334CF26A