InChI=1/C13H15Cl2N3O3/c14-5-6-16-12(19)17-7-11-8-18(13(20)21-11)10-3-1-9(15)2-4-10/h1-4,11H,5-8H2,(H2,16,17,19)/t11-/m1/s1/f/h16-17H 516E792F735CA8AC