InChI=1S/C18H15ClN4O2/c1-10(21-16-6-4-13(9-20)23(2)18(16)25)14-8-11-7-12(19)3-5-15(11)22-17(14)24/h3-8,10,21H,1-2H3,(H,22,24)/t10-/m0/s1