InChI=1/C15H14N6O/c1-22-10-4-2-9(3-5-10)7-21-14(18)11(6-16)12-13(17)19-8-20-15(12)21/h2-5,8H,7,18H2,1H3,(H2,17,19,20)/f/h17H2 54523EAA24E4EF59