InChI=1/C14H13ClN2O3/c1-9-4-2-7-13(14(9)17(18)19)20-12-6-3-5-11(15)10(12)8-16/h2-7H,8,16H2,1H3/p+1/fC14H14ClN2O3/h16H/q+1 56B079DB6C4D6869