InChI=1/C21H18ClNO3/c22-19-9-5-4-8-18(19)14-25-15-20(24)26-21(16-6-2-1-3-7-16)17-10-12-23-13-11-17/h1-13,21H,14-15H2/t21-/m0/s1 692B56B26A06EC0D