InChI=1/C20H15N5O/c1-12-23-18-15-7-3-5-9-17(15)24-19(18)20(26)25(12)22-11-13-10-21-16-8-4-2-6-14(13)16/h2-11,21,24H,1H3/b22-11+ 2A3FF26877388CAE