InChI=1/C18H15ClN2O2/c19-13-5-1-4-12(9-13)18(23)21-8-7-11-3-2-6-14-16(11)15(21)10-20-17(14)22/h1-6,9,15H,7-8,10H2,(H,20,22)/t15-/m1/s1/f/h20H 3A42462202E604C1