InChI=1/C12H13ClN2O3/c1-6-4-9(18-3)8(13)5-7(6)12(2)10(16)14-11(17)15-12/h4-5H,1-3H3,(H2,14,15,16,17)/t12-/m0/s1/f/h14-15H 2119FEA0FA6A0A9E