InChI=1/C18H15ClN2O2/c1-18(2)15-8-12(3-4-16(15)21-17(22)10-23-18)13-5-11(9-20)6-14(19)7-13/h3-8H,10H2,1-2H3,(H,21,22)/f/h21H 326FA32D8917E294