InChI=1/C15H14N4O2/c1-3-8-21-11-6-4-10(5-7-11)14-16-12-9(2)18-19-13(12)15(20)17-14/h1,4-7,14,16H,8H2,2H3,(H,17,20)(H,18,19)/t14-/m0/s1/f/h17-18H C20218DF5EA076FF