InChI=1/C15H13ClN4O2/c1-21-7-11-13-12(8-2-4-9(16)5-3-8)10(6-17)14(18)22-15(13)20-19-11/h2-5,12H,7,18H2,1H3,(H,19,20)/t12-/m1/s1/f/h20H 6C774CE55C230DF0