InChI=1/C14H13ClN2O3/c1-7-13(8(2)20-17-7)16-14(18)12-6-9-5-10(15)3-4-11(9)19-12/h3-5,12H,6H2,1-2H3,(H,16,18)/t12-/m1/s1/f/h16H 75DA7B57EE725703