title: The structure of the active component of hematoporphyrin derivative.
mesh_terms: D017324:Hematoporphyrin Derivative; D006415:Hematoporphyrins; D006868:Hydrolysis; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry; D010778:Photochemotherapy / Q000379:methods; D013057:Spectrum Analysis; D013329:Structure-Activity Relationship
chemical_list: D006415:Hematoporphyrins; D017324:Hematoporphyrin Derivative