InChI=1S/C17H15N5O/c18-17-21-14-11(7-6-10-4-2-1-3-5-10)15-13(19-9-20-15)8-12(14)16(23)22-17/h1-5,8-9H,6-7H2,(H,19,20)(H3,18,21,22,23)