InChI=1/C15H15ClN2O3/c1-9-7-12(17-21-9)13-3-2-6-18(13)15(20)10-4-5-14(19)11(16)8-10/h4-5,7-8,13,19H,2-3,6H2,1H3/t13-/m0/s1 8836D4E9BD47BA9E