2 9 dimethyl 4 7 diphenyl 1 10 phenanthroline July 8, 2019 16 32 64 128 2 9-dimethyl-1 10-phenanthroline 2 4-diphenyl-4-methyl-1-pentene 2 9-dichloro-1 10-phenanthroline 2 4-dimethylphenol
