InChI=1/C27H24N4/c28-19-21-10-12-22(13-11-21)23-14-16-31(17-15-23)27-25-9-5-4-8-24(25)26(29-30-27)18-20-6-2-1-3-7-20/h1-13,23H,14-18H2/p+1/fC27H25N4/h29H/q+1 21F81D24DCB99CA5