InChI=1/C20H17N5O/c21-19-18-16(7-4-8-17(18)24-25-19)13-9-11-15(12-10-13)23-20(26)22-14-5-2-1-3-6-14/h1-12H,(H3,21,24,25)(H2,22,23,26)/p+1/fC20H18N5O/h22-25H,21H2/q+1 0DE9DB903DF89A19