The story
From chlo(ro)- + ph(en)az(ine) + imine.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A reddish brown fat-soluble powdered dye C₂₇H₂₂Cl₂N₄ that is a derivative of riminophenazine used especially to treat lepromatous leprosy. Full definition →
From chlo(ro)- + ph(en)az(ine) + imine.
Etymology from Wiktionary, CC BY-SA 4.0.