InChI=1/C12H13ClN2O3/c1-6-4-7(13)5-8(9(6)18-3)12(2)10(16)14-11(17)15-12/h4-5H,1-3H3,(H2,14,15,16,17)/t12-/m1/s1/f/h14-15H 3F35FB386C7E4782