6-hydroxy-1,7-phenanthroline
6-methoxy-1,7-phenantroline
5,6-dihydroxy-1,7-phenantroline hydrochloride
sulfuric acid
nitric acid
2,2-dimethyl-1,3-dioxolo<4,5-f><1,7>phenanthroline
2-methyl-1,3-dioxolo<4,5-f><1,7>phenanthroline
pyrido[2′,3′:5,6]pyrazino[2,3?f][1, 10]phenanthroline
5,6-dihydroxy-1,7-phenantroline hydrochloride
2-Ethyl-1,3-dioxa-4,8-diaza-cyclopenta[l]phenanthrene