InChI=1/C15H15ClN2O3/c16-10-1-2-11-12(9-10)17-6-3-13(11)18-7-4-15(21,5-8-18)14(19)20/h1-3,6,9,21H,4-5,7-8H2,(H,19,20)/f/h17H 0BC0AE99A5A9DBB0