InChI=1/C15H13ClN2O3/c16-13-4-2-1-3-12(13)15-17-9-14(21-15)10-5-7-11(8-6-10)18(19)20/h1-8,14-15,17H,9H2/t14-,15+/m1/s1 CA39B662D394C820