9 9-diphenyl-9 10-dihydroacridine July 8, 2019 16 32 64 128 9 9-diphenyl-9 10 dihydroacridine 9 10-dihydrophenanthrene 9 10-diphenylanthracene 9 10-dihydro-9 9-dimethylacridine 2 9-dichloro-1 10-phenanthroline
