InChI=1S/C19H17ClN6O2/c1-11(22-19(28)18-8-17(12(2)27)23-24-18)10-26-6-5-16(25-26)13-3-4-14(9-21)15(20)7-13/h3-8,11H,10H2,1-2H3,(H,22,28)(H,23,24)/t11-/m0/s1