Metalloporphyrins can induce DNA photocleavage when activated by light, particularly in the presence of oxygen. The exact mechanism of photocleavage can vary, but it often involves the generation of reactive oxygen species (ROS) that cause damage to the DNA backbone.
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2H-1-Benzopyran-2-one, 4-[(benzoyloxy)methyl]-7-methoxy-
1-[4-(2-phenylacetyloxymethyl)-3-nitrophenyl]ethanone
