InChI=1/C14H17ClN2O3/c1-8(9-2-3-9)16-14(18)17-11-7-13-12(6-10(11)15)19-4-5-20-13/h6-9H,2-5H2,1H3,(H2,16,17,18)/t8-/m1/s1/f/h16-17H 16BAEE95A0DA9DE7