1,10-Bathophenanthroline 1,10-Phenanthroline, 4,7-diphenyl- (6CI,7CI,8CI,9CI) 1,10-phenanthroline, 4,7-diphenyl- 1662-01-7 4,7-Diphenyl-1,10-diazaphenanthrene 4,7-Diphenyl-1,10-phenanthroline 4,7-Diphenyl-o-phenanthroline BPhen Bathophenanthroline NSC 637659