InChI=1/C14H17ClN2O3/c1-9-10(15)5-4-6-11(9)16-13(20)17-14(12(18)19)7-2-3-8-14/h4-6H,2-3,7-8H2,1H3,(H,18,19)(H2,16,17,20)/p-1/fC14H16ClN2O3/h16-17H/q-1 69C6ABBF9BC0FE46