InChI=1/C16H20Cl2N4O2/c1-15(2)9-4-5-16(15,3)11(6-9)20-21-12(23)8-22-14(24)13(18)10(17)7-19-22/h7,9H,4-6,8H2,1-3H3,(H,21,23)/b20-11+/t9-,16+/m1/s1/f/h21H 93E5CE8A23147833