InChI=1/C18H17ClN2O3/c1-12-2-8-15(9-3-12)21-11-16(24-18(21)23)10-20-17(22)13-4-6-14(19)7-5-13/h2-9,16H,10-11H2,1H3,(H,20,22)/t16-/m0/s1/f/h20H 14FA56F4431AD79E