1,10-Diazaphenanthrene hydrochloride 1,10-Phenanthroline hydrochloride 1,10-Phenanthroline monohydrochloride monohydrate 1,10-Phenanthroline, monohydrochloride 3829-86-5 66-71-7 EINECS 223-325-1 NSC 4265 Phenanthroline hydrochloride