InChI=1/C13H15ClN2O3/c14-8-4-5-10(15)9(7-8)13(18)19-11-3-1-2-6-16-12(11)17/h4-5,7,11H,1-3,6,15H2,(H,16,17)/t11-/m0/s1/f/h16H 80FC3C5B005A208E