Hematoporphyrins |
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| Haematoporphyrin IX; Hematoporphyrin; Hemedonin | |
| Iron-free derivatives of heme with 4 methyl groups, 2 hydroxyethyl groups and 2 propionic acid groups attached to the pyrrole rings. Some of these PHOTOSENSITIZING AGENTS are used in the PHOTOTHERAPY of malignant NEOPLASMS. | |