InChI=1/C17H11N5O/c18-9-13-16(21)22(12-5-2-1-3-6-12)15(14-7-4-8-23-14)17(13,10-19)11-20/h1-8,15H,21H2/t15-/m1/s1 9E7EEBD4FBAEBACC