InChI=1/C20H16N4O2/c21-11-15(19-22-16-7-3-2-6-14(16)20(26)23-19)18(25)12-24-10-9-13-5-1-4-8-17(13)24/h1-8,15H,9-10,12H2,(H,22,23,26)/t15-/m0/s1/f/h22H 87FC01CF5C8919C2