A white crystalline compound used in the treatment of trypanosome blood infection.
A tricyclic compound; chemical formula: C₁₃H₉N
 Example sentencesExamples
-  Among the ethidium derivatives reported in the literature, the majority are phenanthridine derivatives with modifications of the exocyclic amines.
 -  The fluorescence dye ethidium bromide for DNA staining has a central phenanthridine ring system that intercalates into DNA.
 -  The ethyl acetate-extractable metabolites of phenanthridine as formed in vitro with Aroclor-induced rat liver homogenate were isolated and structurally identified.