InChI=1/C15H17ClN2O3/c1-7-5-11(21-4)13(8(2)14(7)16)15-10(6-12(19)20)17-9(3)18-15/h5H,6H2,1-4H3,(H,17,18)(H,19,20)/f/h17-18H 0EB47FC2929EDC32